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1. 1/2 + 2/3 = Answer: 7/6LCM = 6. So, 1/2 + 2/3 = 3/6 + 4/6 = 7/6.
2. 1/2 + 3/4 = Answer: 5/4LCM = 4. So, 1/2 + 3/4 = 2/4 + 3/4 = 5/4.
3. 1/2 + 4/5 = Answer: 13/10LCM = 10. So, 1/2 + 4/5 = 5/10 + 8/10 = 13/10.
4. 1/2 + 5/6 = Answer: 4/3LCM = 6. So, 1/2 + 5/6 = 3/6 + 5/6 = 8/6 = 4/3.
5. 1/2 + 6/7 = Answer: 19/14LCM = 14. So, 1/2 + 6/7 = 7/14 + 12/14 = 19/14.
6. 1/2 + 7/8 = Answer: 11/8LCM = 8. So, 1/2 + 7/8 = 4/8 + 7/8 = 11/8.
7. 1/2 + 8/9 = Answer: 25/18LCM = 18. So, 1/2 + 8/9 = 9/18 + 16/18 = 25/18.
8. 1/2 + 9/10 = Answer: 7/5LCM = 10. So, 1/2 + 9/10 = 5/10 + 9/10 = 14/10 = 7/5.
9. 1/2 + 10/11 = Answer: 31/22LCM = 22. So, 1/2 + 10/11 = 11/22 + 20/22 = 31/22.
10. 1/2 + 11/12 = Answer: 17/12LCM = 12. So, 1/2 + 11/12 = 6/12 + 11/12 = 17/12.
11. 2/3 + 2/3 = Answer: 4/3LCM = 3. So, 2/3 + 2/3 = 4/3.
12. 2/3 + 3/4 = Answer: 17/12LCM = 12. So, 2/3 + 3/4 = 8/12 + 9/12 = 17/12.
13. 2/3 + 3/5 = Answer: 19/15LCM = 15. So, 2/3 + 3/5 = 10/15 + 9/15 = 19/15.
14. 2/3 + 5/6 = Answer: 3/2LCM = 6. So, 2/3 + 5/6 = 4/6 + 5/6 = 9/6 = 3/2.
15. 2/3 + 4/7 = Answer: 26/21LCM = 21. So, 2/3 + 4/7 = 14/21 + 12/21 = 26/21.
16. 2/3 + 5/8 = Answer: 31/24LCM = 24. So, 2/3 + 5/8 = 16/24 + 15/24 = 31/24.
17. 1/3 + 4/9 = Answer: 7/9LCM = 9. So, 1/3 + 4/9 = 3/9 + 4/9 = 7/9.
18. 1/3 + 7/10 = Answer: 31/30LCM = 30. So, 1/3 + 7/10 = 10/30 + 21/30 = 31/30.
19. 2/3 + 6/11 = Answer: 40/33LCM = 33. So, 2/3 + 6/11 = 22/33 + 18/33 = 40/33.
20. 1/3 + 11/12 = Answer: 5/4LCM = 12. So, 1/3 + 11/12 = 4/12 + 11/12 = 15/12 = 5/4.
21. 3/4 + 3/4 = Answer: 3/2LCM = 4. So, 3/4 + 3/4 = 6/4 = 3/2.
22. 3/4 + 2/5 = Answer: 23/20LCM = 20. So, 3/4 + 2/5 = 15/20 + 8/20 = 23/20.
23. 1/4 + 5/6 = Answer: 13/12LCM = 12. So, 1/4 + 5/6 = 3/12 + 10/12 = 13/12.
24. 3/4 + 5/7 = Answer: 41/28LCM = 28. So, 3/4 + 5/7 = 21/28 + 20/28 = 41/28.
25. 1/4 + 7/8 = Answer: 9/8LCM = 8. So, 1/4 + 7/8 = 2/8 + 7/8 = 9/8.
26. 3/4 + 8/9 = Answer: 59/36LCM = 36. So, 3/4 + 8/9 = 27/36 + 32/36 = 59/36.
27. 1/4 + 3/10 = Answer: 11/20LCM = 20. So, 1/4 + 3/10 = 5/20 + 6/20 = 11/20.
28. 3/4 + 4/11 = Answer: 49/44LCM = 44. So, 3/4 + 4/11 = 33/44 + 16/44 = 49/44.
29. 1/4 + 11/12 = Answer: 7/6LCM = 12. So, 1/4 + 11/12 = 3/12 + 11/12 = 14/12 = 7/6.
30. 1/5 + 3/5 = Answer: 4/5LCM = 5. So, 1/5 + 3/5 = 4/5.
31. 4/5 + 1/6 = Answer: 29/30LCM = 30. So, 4/5 + 1/6 = 24/30 + 5/30 = 29/30.
32. 4/5 + 2/7 = Answer: 38/35LCM = 35. So, 4/5 + 2/7 = 28/35 + 10/35 = 38/35.
33. 3/5 + 3/8 = Answer: 39/40LCM = 40. So, 3/5 + 3/8 = 24/40 + 15/40 = 39/40.
34. 2/5 + 4/9 = Answer: 38/45LCM = 45. So, 2/5 + 4/9 = 18/45 + 20/45 = 38/45.
35. 4/5 + 3/10 = Answer: 11/10LCM = 10. So, 4/5 + 3/10 = 8/10 + 3/10 = 11/10.
36. 3/5 + 6/11 = Answer: 63/55LCM = 55. So, 3/5 + 6/11 = 33/55 + 30/55 = 63/55.
37. 2/5 + 7/12 = Answer: 59/60LCM = 60. So, 2/5 + 7/12 = 24/60 + 35/60 = 59/60.
38. 5/6 + 5/6 = Answer: 5/3LCM = 6. So, 5/6 + 5/6 = 10/6 = 5/3.
39. 5/6 + 2/7 = Answer: 47/42LCM = 42. So, 5/6 + 2/7 = 35/42 + 12/42 = 47/42.
40. 1/6 + 7/8 = Answer: 25/24LCM = 24. So, 1/6 + 7/8 = 4/24 + 21/24 = 25/24.
41. 1/6 + 8/9 = Answer: 19/18LCM = 18. So, 1/6 + 8/9 = 3/18 + 16/18 = 19/18.
42. 5/6 + 7/10 = Answer: 23/15LCM = 30. So, 5/6 + 7/10 = 25/30 + 21/30 = 46/30 = 23/15.
43. 5/6 + 4/11 = Answer: 79/66LCM = 66. So, 5/6 + 4/11 = 55/66 + 24/66 = 79/66.
44. 1/6 + 5/12 = Answer: 7/12LCM = 12. So, 1/6 + 5/12 = 2/12 + 5/12 = 7/12.
45. 6/7 + 3/7 = Answer: 9/7LCM = 7. So, 6/7 + 3/7 = 9/7.
46. 5/7 + 3/8 = Answer: 61/56LCM = 56. So, 5/7 + 3/8 = 40/56 + 21/56 = 61/56.
47. 4/7 + 2/9 = Answer: 50/63LCM = 63. So, 4/7 + 2/9 = 36/63 + 14/63 = 50/63.
48. 3/7 + 7/10 = Answer: 79/70LCM = 70. So, 3/7 + 7/10 = 30/70 + 49/70 = 79/70.
49. 2/7 + 6/11 = Answer: 64/77LCM = 77. So, 2/7 + 6/11 = 22/77 + 42/77 = 64/77.
50. 1/7 + 5/12 = Answer: 47/84LCM = 84. So, 1/7 + 5/12 = 12/84 + 35/84 = 47/84.
51. 7/8 + 5/8 = Answer: 3/2LCM = 8. So, 7/8 + 5/8 = 12/8 = 3/2.
52. 5/8 + 2/9 = Answer: 61/72LCM = 72. So, 5/8 + 2/9 = 45/72 + 16/72 = 61/72.
53. 3/8 + 3/10 = Answer: 27/40LCM = 40. So, 3/8 + 3/10 = 15/40 + 12/40 = 27/40.
54. 1/8 + 2/11 = Answer: 27/88LCM = 88. So, 1/8 + 2/11 = 11/88 + 16/88 = 27/88.
55. 7/8 + 5/12 = Answer: 31/24LCM = 24. So, 7/8 + 5/12 = 21/24 + 10/24 = 31/24.
56. 4/9 + 2/9 = Answer: 2/3LCM = 9. So, 4/9 + 2/9 = 6/9 = 2/3.
57. 2/9 + 3/10 = Answer: 47/90LCM = 90. So, 2/9 + 3/10 = 20/90 + 27/90 = 47/90.
58. 7/9 + 2/11 = Answer: 95/99LCM = 99. So, 7/9 + 2/11 = 77/99 + 18/99 = 95/99.
Try the Quiz : Arithmetic Homework Help : Addition of Fractions II
