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Mixed and Whole Numbers Addition and Subtraction

Name Grade School
Date Questions20 Score
1
12 + 2 5/7 =
   
2
2 + 3 6/8 =
   
3
5 2/7 + 3 =
   
4
6 7/10 + 15 =
   
5
2 + 8 5/7 =
   
6
12 + 7 6/7 =
   
7
2 7/10 + 13 =
   
8
13 + 8 4/8 =
   
9
8 2/7 + 18 =
   
10
2 4/9 + 17 =
   
11
9 - 8 4/5 =
   
12
20 - 10 2/7 =
   
13
12 - 6 5/7 =
   
14
11 - 3 2/4 =
   
15
6 - 5 4/9 =
   
16
8 - 5 2/7 =
   
17
8 - 3 6/8 =
   
18
16 - 9 6/7 =
   
19
11 - 1 5/10 =
   
20
10 5/6 - 6 =
   

Answers Key
Show All Workout
1
12 + 2 5/7 =
14 5/7
Steps
Convert the mixed fraction into fraction
2
57
=
(2 x 7) + 57
=
14 + 57
=
197
121
+
197
Find the lcm for both denominators
LCM(1, 7) = 7
Make all the denominators equal to each other
121
=
12 x 71 x 7
=
12 x 77
=
847
197
=
19 x 77 x 7
=
19 x 17
=
197
847
+
197
=
84 + 197
=
1037
Convert the fraction into mixed fraction
1037
=
987
+
57
= 14
57
∴
12
+
2
57
=
14
57
2
2 + 3 6/8 =
5 3/4
Steps
Convert the mixed fraction into fraction
3
68
=
(3 x 8) + 68
=
24 + 68
=
308
21
+
308
Find the lcm for both denominators
LCM(1, 8) = 8
Make all the denominators equal to each other
21
=
2 x 81 x 8
=
2 x 88
=
168
308
=
30 x 88 x 8
=
30 x 18
=
308
168
+
308
=
16 + 308
=
468
simplify the fraction
GCF(46, 8) = 2
468
=
46 ÷ 28 ÷ 2
=
234
Convert the fraction into mixed fraction
234
=
204
+
34
= 5
34
∴
2
+
3
68
=
5
34
3
5 2/7 + 3 =
8 2/7
Steps
Convert the mixed fraction into fraction
5
27
=
(5 x 7) + 27
=
35 + 27
=
377
377
+
31
Find the lcm for both denominators
LCM(7, 1) = 7
Make all the denominators equal to each other
377
=
37 x 77 x 7
=
37 x 17
=
377
31
=
3 x 71 x 7
=
3 x 77
=
217
377
+
217
=
37 + 217
=
587
Convert the fraction into mixed fraction
587
=
567
+
27
= 8
27
∴
5
27
+
3
=
8
27
4
6 7/10 + 15 =
21 7/10
Steps
Convert the mixed fraction into fraction
6
710
=
(6 x 10) + 710
=
60 + 710
=
6710
6710
+
151
Find the lcm for both denominators
LCM(10, 1) = 10
Make all the denominators equal to each other
6710
=
67 x 1010 x 10
=
67 x 110
=
6710
151
=
15 x 101 x 10
=
15 x 1010
=
15010
6710
+
15010
=
67 + 15010
=
21710
Convert the fraction into mixed fraction
21710
=
21010
+
710
= 21
710
∴
6
710
+
15
=
21
710
5
2 + 8 5/7 =
10 5/7
Steps
Convert the mixed fraction into fraction
8
57
=
(8 x 7) + 57
=
56 + 57
=
617
21
+
617
Find the lcm for both denominators
LCM(1, 7) = 7
Make all the denominators equal to each other
21
=
2 x 71 x 7
=
2 x 77
=
147
617
=
61 x 77 x 7
=
61 x 17
=
617
147
+
617
=
14 + 617
=
757
Convert the fraction into mixed fraction
757
=
707
+
57
= 10
57
∴
2
+
8
57
=
10
57
6
12 + 7 6/7 =
19 6/7
Steps
Convert the mixed fraction into fraction
7
67
=
(7 x 7) + 67
=
49 + 67
=
557
121
+
557
Find the lcm for both denominators
LCM(1, 7) = 7
Make all the denominators equal to each other
121
=
12 x 71 x 7
=
12 x 77
=
847
557
=
55 x 77 x 7
=
55 x 17
=
557
847
+
557
=
84 + 557
=
1397
Convert the fraction into mixed fraction
1397
=
1337
+
67
= 19
67
∴
12
+
7
67
=
19
67
7
2 7/10 + 13 =
15 7/10
Steps
Convert the mixed fraction into fraction
2
710
=
(2 x 10) + 710
=
20 + 710
=
2710
2710
+
131
Find the lcm for both denominators
LCM(10, 1) = 10
Make all the denominators equal to each other
2710
=
27 x 1010 x 10
=
27 x 110
=
2710
131
=
13 x 101 x 10
=
13 x 1010
=
13010
2710
+
13010
=
27 + 13010
=
15710
Convert the fraction into mixed fraction
15710
=
15010
+
710
= 15
710
∴
2
710
+
13
=
15
710
8
13 + 8 4/8 =
21 1/2
Steps
Convert the mixed fraction into fraction
8
48
=
(8 x 8) + 48
=
64 + 48
=
688
131
+
688
Find the lcm for both denominators
LCM(1, 8) = 8
Make all the denominators equal to each other
131
=
13 x 81 x 8
=
13 x 88
=
1048
688
=
68 x 88 x 8
=
68 x 18
=
688
1048
+
688
=
104 + 688
=
1728
simplify the fraction
GCF(172, 8) = 4
1728
=
172 ÷ 48 ÷ 4
=
432
Convert the fraction into mixed fraction
432
=
422
+
12
= 21
12
∴
13
+
8
48
=
21
12
9
8 2/7 + 18 =
26 2/7
Steps
Convert the mixed fraction into fraction
8
27
=
(8 x 7) + 27
=
56 + 27
=
587
587
+
181
Find the lcm for both denominators
LCM(7, 1) = 7
Make all the denominators equal to each other
587
=
58 x 77 x 7
=
58 x 17
=
587
181
=
18 x 71 x 7
=
18 x 77
=
1267
587
+
1267
=
58 + 1267
=
1847
Convert the fraction into mixed fraction
1847
=
1827
+
27
= 26
27
∴
8
27
+
18
=
26
27
10
2 4/9 + 17 =
19 4/9
Steps
Convert the mixed fraction into fraction
2
49
=
(2 x 9) + 49
=
18 + 49
=
229
229
+
171
Find the lcm for both denominators
LCM(9, 1) = 9
Make all the denominators equal to each other
229
=
22 x 99 x 9
=
22 x 19
=
229
171
=
17 x 91 x 9
=
17 x 99
=
1539
229
+
1539
=
22 + 1539
=
1759
Convert the fraction into mixed fraction
1759
=
1719
+
49
= 19
49
∴
2
49
+
17
=
19
49
11
9 - 8 4/5 =
1/5
Steps
Convert the mixed fraction into fraction
8
45
=
(8 x 5) + 45
=
40 + 45
=
445
91
-
445
Find the lcm for both denominators
LCM(1, 5) = 5
Make all the denominators equal to each other
91
=
9 x 51 x 5
=
9 x 55
=
455
445
=
44 x 55 x 5
=
44 x 15
=
445
455
-
445
=
45 - 445
=
15
∴
9
-
8
45
=
15
12
20 - 10 2/7 =
9 5/7
Steps
Convert the mixed fraction into fraction
10
27
=
(10 x 7) + 27
=
70 + 27
=
727
201
-
727
Find the lcm for both denominators
LCM(1, 7) = 7
Make all the denominators equal to each other
201
=
20 x 71 x 7
=
20 x 77
=
1407
727
=
72 x 77 x 7
=
72 x 17
=
727
1407
-
727
=
140 - 727
=
687
Convert the fraction into mixed fraction
687
=
637
+
57
= 9
57
∴
20
-
10
27
=
9
57
13
12 - 6 5/7 =
5 2/7
Steps
Convert the mixed fraction into fraction
6
57
=
(6 x 7) + 57
=
42 + 57
=
477
121
-
477
Find the lcm for both denominators
LCM(1, 7) = 7
Make all the denominators equal to each other
121
=
12 x 71 x 7
=
12 x 77
=
847
477
=
47 x 77 x 7
=
47 x 17
=
477
847
-
477
=
84 - 477
=
377
Convert the fraction into mixed fraction
377
=
357
+
27
= 5
27
∴
12
-
6
57
=
5
27
14
11 - 3 2/4 =
7 1/2
Steps
Convert the mixed fraction into fraction
3
24
=
(3 x 4) + 24
=
12 + 24
=
144
111
-
144
Find the lcm for both denominators
LCM(1, 4) = 4
Make all the denominators equal to each other
111
=
11 x 41 x 4
=
11 x 44
=
444
144
=
14 x 44 x 4
=
14 x 14
=
144
444
-
144
=
44 - 144
=
304
simplify the fraction
GCF(30, 4) = 2
304
=
30 ÷ 24 ÷ 2
=
152
Convert the fraction into mixed fraction
152
=
142
+
12
= 7
12
∴
11
-
3
24
=
7
12
15
6 - 5 4/9 =
5/9
Steps
Convert the mixed fraction into fraction
5
49
=
(5 x 9) + 49
=
45 + 49
=
499
61
-
499
Find the lcm for both denominators
LCM(1, 9) = 9
Make all the denominators equal to each other
61
=
6 x 91 x 9
=
6 x 99
=
549
499
=
49 x 99 x 9
=
49 x 19
=
499
549
-
499
=
54 - 499
=
59
∴
6
-
5
49
=
59
16
8 - 5 2/7 =
2 5/7
Steps
Convert the mixed fraction into fraction
5
27
=
(5 x 7) + 27
=
35 + 27
=
377
81
-
377
Find the lcm for both denominators
LCM(1, 7) = 7
Make all the denominators equal to each other
81
=
8 x 71 x 7
=
8 x 77
=
567
377
=
37 x 77 x 7
=
37 x 17
=
377
567
-
377
=
56 - 377
=
197
Convert the fraction into mixed fraction
197
=
147
+
57
= 2
57
∴
8
-
5
27
=
2
57
17
8 - 3 6/8 =
4 1/4
Steps
Convert the mixed fraction into fraction
3
68
=
(3 x 8) + 68
=
24 + 68
=
308
81
-
308
Find the lcm for both denominators
LCM(1, 8) = 8
Make all the denominators equal to each other
81
=
8 x 81 x 8
=
8 x 88
=
648
308
=
30 x 88 x 8
=
30 x 18
=
308
648
-
308
=
64 - 308
=
348
simplify the fraction
GCF(34, 8) = 2
348
=
34 ÷ 28 ÷ 2
=
174
Convert the fraction into mixed fraction
174
=
164
+
14
= 4
14
∴
8
-
3
68
=
4
14
18
16 - 9 6/7 =
6 1/7
Steps
Convert the mixed fraction into fraction
9
67
=
(9 x 7) + 67
=
63 + 67
=
697
161
-
697
Find the lcm for both denominators
LCM(1, 7) = 7
Make all the denominators equal to each other
161
=
16 x 71 x 7
=
16 x 77
=
1127
697
=
69 x 77 x 7
=
69 x 17
=
697
1127
-
697
=
112 - 697
=
437
Convert the fraction into mixed fraction
437
=
427
+
17
= 6
17
∴
16
-
9
67
=
6
17
19
11 - 1 5/10 =
9 1/2
Steps
Convert the mixed fraction into fraction
1
510
=
(1 x 10) + 510
=
10 + 510
=
1510
111
-
1510
Find the lcm for both denominators
LCM(1, 10) = 10
Make all the denominators equal to each other
111
=
11 x 101 x 10
=
11 x 1010
=
11010
1510
=
15 x 1010 x 10
=
15 x 110
=
1510
11010
-
1510
=
110 - 1510
=
9510
simplify the fraction
GCF(95, 10) = 5
9510
=
95 ÷ 510 ÷ 5
=
192
Convert the fraction into mixed fraction
192
=
182
+
12
= 9
12
∴
11
-
1
510
=
9
12
20
10 5/6 - 6 =
4 5/6
Steps
Convert the mixed fraction into fraction
10
56
=
(10 x 6) + 56
=
60 + 56
=
656
656
-
61
Find the lcm for both denominators
LCM(6, 1) = 6
Make all the denominators equal to each other
656
=
65 x 66 x 6
=
65 x 16
=
656
61
=
6 x 61 x 6
=
6 x 66
=
366
656
-
366
=
65 - 366
=
296
Convert the fraction into mixed fraction
296
=
246
+
56
= 4
56
∴
10
56
-
6
=
4
56

Adding or Subtracting a Mixed Number to/from Whole Number Worksheet

Mixed and whole numbers addition and subtraction worksheet with answers to practice & learn 6th grade math problems is available online for free in printable & downloadable (pdf & image) format. Tap on PRINT, PDF or IMAGE button to print or download this grade-6 fraction worksheet to practice adding mixed number and whole number or subtracting a mixed number from whole number or subtracting a whole number from mixed number.

How to Use this Worksheet

In this sixth grade fraction worksheet, students are required to find the sum of or difference between mixed number and whole numbers. Convert the mixed number and whole number to their equivalent fraction form, find the LCM or LCD of denominators, multiply LCD with both numerator and denominators of each fraction, simplify the fractions to have like denominators and find the sum of or difference between the two numerators. The sum of or difference of numerators divided by the common denominator is the resulting fraction of these given mixed and whole number.

Answers Key display

Teachers, tutors, parents or students can check or validate the solved questions by using the corresponding answers key which comprises the step by step work on how to find the sum of or difference between mixed and whole numbers.

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