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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 582 · 40 questions
TalentJR

How to solve it (Cross-multiply to compare): Compare a/b and c/d: work out a × d and c × b — the bigger product goes with the bigger fraction. Add: make the bottoms the same (use the LCM), add the tops, then simplify. Fraction of a number: divide by the bottom, multiply by the top (3/4 of 48 = 48 ÷ 4 × 3 = 36).

NameDateTime takenScore ___ / 40
  1. 1.3/6 + 3/8 = ? (a) 11/12 (b) 5/6 (c) 3/7 (d) 7/8
  2. 2.4/6 + 4/8 = ? (a) 29/24 (b) 7/6 (c) 9/8 (d) 4/7
  3. 3.What is 2/5 of 45? (a) 19 (b) 9 (c) 27 (d) 18
  4. 4.Which fraction is greater: 3/10 or 1/9? (a) 3/10 (b) They are equal (c) 1/9
  5. 5.What is 1/7 of 56? (a) 48 (b) 9 (c) 16 (d) 8
  6. 6.1/5 + 4/5 = ? (a) 1 (b) 6/5 (c) 1/2 (d) 4/5
  7. 7.What is 2/3 of 24? (a) 8 (b) 17 (c) 16 (d) 24
  8. 8.Which fraction is greater: 1/3 or 2/7? (a) 2/7 (b) 1/3 (c) They are equal
  9. 9.1/2 + 1/2 = ? (a) 1 (b) 1/2 (c) 2 (d) 3/2
  10. 10.1/2 + 1/3 = ? (a) 1 (b) 2/3 (c) 2/5 (d) 5/6
  11. 11.Which fraction is greater: 4/5 or 8/9? (a) 8/9 (b) They are equal (c) 4/5
  12. 12.What is 7/8 of 96? (a) 85 (b) 12 (c) 96 (d) 84
  13. 13.What is 1/9 of 72? (a) 8 (b) 16 (c) 9 (d) 64
  14. 14.What is 7/9 of 108? (a) 84 (b) 24 (c) 12 (d) 96
  15. 15.Which fraction is greater: 5/7 or 1/3? (a) 1/3 (b) 5/7 (c) They are equal
  16. 16.1/7 + 3/7 = ? (a) 5/7 (b) 2/7 (c) 3/7 (d) 4/7
  17. 17.Which fraction is greater: 5/6 or 7/12? (a) 7/12 (b) 5/6 (c) They are equal
  18. 18.Which fraction is greater: 1/5 or 3/8? (a) 3/8 (b) 1/5 (c) They are equal
  19. 19.Which fraction is greater: 6/7 or 8/9? (a) 6/7 (b) 8/9 (c) They are equal
  20. 20.What is 2/3 of 36? (a) 25 (b) 36 (c) 24 (d) 12
  21. 21.What is 1/2 of 6? (a) 3 (b) 2 (c) 6 (d) 4
  22. 22.What is 1/3 of 12? (a) 3 (b) 5 (c) 8 (d) 4
  23. 23.2/5 + 1/2 = ? (a) 1 (b) 3/7 (c) 9/10 (d) 4/5
  24. 24.1/4 + 2/4 = ? (a) 1 (b) 1/2 (c) 3/4 (d) 3/8
  25. 25.Which fraction is greater: 1/9 or 1/6? (a) 1/6 (b) 1/9 (c) They are equal
  26. 26.What is 3/8 of 72? (a) 36 (b) 9 (c) 45 (d) 27
  27. 27.7/8 + 3/8 = ? (a) 9/8 (b) 11/8 (c) 5/4 (d) 5/8
  28. 28.2/3 + 2/4 = ? (a) 4/7 (b) 7/6 (c) 5/4 (d) 13/12
  29. 29.5/8 + 3/8 = ? (a) 1/2 (b) 9/8 (c) 7/8 (d) 1
  30. 30.What is 7/8 of 16? (a) 14 (b) 15 (c) 2 (d) 16
  31. 31.2/3 + 1/9 = ? (a) 2/3 (b) 8/9 (c) 7/9 (d) 1/4
  32. 32.1/8 + 1/3 = ? (a) 1/2 (b) 11/24 (c) 5/12 (d) 2/11
  33. 33.What is 2/9 of 72? (a) 56 (b) 8 (c) 24 (d) 16
  34. 34.What is 1/3 of 33? (a) 12 (b) 11 (c) 22 (d) 10
  35. 35.3/4 + 5/8 = ? (a) 2/3 (b) 3/2 (c) 5/4 (d) 11/8
  36. 36.8/9 + 2/3 = ? (a) 5/6 (b) 5/3 (c) 13/9 (d) 14/9
  37. 37.What is 3/5 of 10? (a) 2 (b) 8 (c) 6 (d) 4
  38. 38.6/7 + 2/3 = ? (a) 11/7 (b) 31/21 (c) 4/5 (d) 32/21
  39. 39.2/3 + 1/2 = ? (a) 4/3 (b) 1 (c) 7/6 (d) 3/5
  40. 40.What is 7/8 of 88? (a) 11 (b) 77 (c) 78 (d) 88

Answer key

  1. 7/8
  2. 7/6
  3. 18
  4. 3/10
  5. 8
  6. 1
  7. 16
  8. 1/3
  9. 1
  10. 5/6
  11. 8/9
  12. 84
  13. 8
  14. 84
  15. 5/7
  16. 4/7
  17. 5/6
  18. 3/8
  19. 8/9
  20. 24
  21. 3
  22. 4
  23. 9/10
  24. 3/4
  25. 1/6
  26. 27
  27. 5/4
  28. 7/6
  29. 1
  30. 14
  31. 7/9
  32. 11/24
  33. 16
  34. 11
  35. 11/8
  36. 14/9
  37. 6
  38. 32/21
  39. 7/6
  40. 77

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