1. 3 9/10 + 7 17/20 = 11 15/20 = 11 3/4
2. 10 3/4 + 6 13/20 = 16 28/20 = 17 8/20 = 17 2/5
3. 10 11/15 + 11 1/10 = 21 25/30 = 21 5/6
4. 7 1/12 + 4 1/5 = 11 17/60
5. 6 7/12 + 8 1/2 = 14 13/12 = 15 1/12
6. 10 5/6 + 11 1/10 = 21 28/30 = 21 14/15
7. 10 2/3 + 13 8/15 = 23 18/15 = 24 3/15 = 24 1/5
8. 9 5/8 + 11 1/12 = 20 17/24
9. 8 1/2 + 7 4/5 = 15 13/10 = 16 3/10
10. 6 13/20 + 10 3/4 = 16 28/20 = 17 8/20 = 17 2/5
11. 11 1/10 + 9 3/5 = 20 7/10
12. 11 1/15 + 6 9/20 = 17 11/60
13. 7 4/5 + 8 1/2 = 15 13/10 = 16 3/10
14. 11 9/20 + 5 5/6 = 16 77/60 = 17 17/60
15. 7 8/15 + 7 4/5 = 14 20/15 = 15 5/15 = 15 1/3
16. 8 1/2 + 13 8/15 = 21 31/30 = 22 1/30
17. 11 1/10 + 10 2/3 = 21 23/30
18. 6 9/12 + 7 17/20 = 13 96/60 = 14 36/60 = 14 3/5
19. 11 1/12 + 10 2/4 = 21 7/12
20. 8 1/2 + 3 9/10 = 11 14/10 = 12 4/10 = 12 2/5
21. 9 5/8 + 10 5/6 = 19 35/24 = 20 11/24
22. 9 3/5 + 11 1/15 = 20 10/15 = 20 2/3
23. 8 1/2 + 10 2/3 = 18 7/6 = 19 1/6
24. 9 5/8 + 11 1/10 = 20 29/40
25. 10 5/6 + 11 1/10 = 21 28/30 = 21 14/15
26. 10 3/4 + 6 13/20 = 16 28/20 = 17 8/20 = 17 2/5
27. 11 1/10 + 9 3/5 = 20 7/10
28. 7 1/12 + 4 1/5 = 11 17/60
29. 6 7/12 + 8 1/2 = 14 13/12 = 15 1/12
30. 10 11/15 + 11 1/10 = 21 25/30 = 21 5/6
Parent Tip: Review the logic above to help your child master the concept of worksheet adding mixed numbers.