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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 446 · 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.Which fraction is greater: 3/5 or 3/10? (a) They are equal (b) 3/10 (c) 3/5
  2. 2.Which fraction is greater: 2/3 or 4/7? (a) They are equal (b) 4/7 (c) 2/3
  3. 3.2/6 + 3/4 = ? (a) 7/6 (b) 1/2 (c) 1 (d) 13/12
  4. 4.Which fraction is greater: 2/9 or 1/4? (a) 1/4 (b) 2/9 (c) They are equal
  5. 5.Which fraction is greater: 3/7 or 2/3? (a) They are equal (b) 3/7 (c) 2/3
  6. 6.What is 2/3 of 36? (a) 36 (b) 25 (c) 12 (d) 24
  7. 7.Which fraction is greater: 1/4 or 1/12? (a) 1/4 (b) 1/12 (c) They are equal
  8. 8.What is 5/9 of 63? (a) 35 (b) 28 (c) 7 (d) 42
  9. 9.2/9 + 7/9 = ? (a) 1/2 (b) 10/9 (c) 8/9 (d) 1
  10. 10.1/3 + 3/5 = ? (a) 13/15 (b) 14/15 (c) 1/2 (d) 1
  11. 11.What is 1/4 of 12? (a) 6 (b) 3 (c) 4 (d) 9
  12. 12.1/3 + 2/6 = ? (a) 5/6 (b) 1/3 (c) 1/2 (d) 2/3
  13. 13.What is 1/4 of 36? (a) 27 (b) 9 (c) 18 (d) 10
  14. 14.2/7 + 2/3 = ? (a) 2/5 (b) 20/21 (c) 19/21 (d) 1
  15. 15.Which fraction is greater: 5/8 or 2/3? (a) 5/8 (b) They are equal (c) 2/3
  16. 16.Which fraction is greater: 4/7 or 7/8? (a) 7/8 (b) They are equal (c) 4/7
  17. 17.5/8 + 2/3 = ? (a) 4/3 (b) 5/4 (c) 31/24 (d) 7/11
  18. 18.Which fraction is greater: 2/7 or 1/3? (a) 2/7 (b) 1/3 (c) They are equal
  19. 19.Which fraction is greater: 4/7 or 2/3? (a) 4/7 (b) 2/3 (c) They are equal
  20. 20.Which fraction is greater: 1/3 or 3/4? (a) They are equal (b) 3/4 (c) 1/3
  21. 21.3/5 + 3/6 = ? (a) 16/15 (b) 11/10 (c) 17/15 (d) 6/11
  22. 22.What is 1/2 of 14? (a) 7 (b) 6 (c) 14 (d) 8
  23. 23.What is 5/6 of 72? (a) 12 (b) 61 (c) 72 (d) 60
  24. 24.What is 1/3 of 9? (a) 6 (b) 2 (c) 4 (d) 3
  25. 25.Which fraction is greater: 2/3 or 6/11? (a) 2/3 (b) 6/11 (c) They are equal
  26. 26.What is 2/5 of 20? (a) 12 (b) 4 (c) 9 (d) 8
  27. 27.Which fraction is greater: 4/7 or 5/8? (a) 4/7 (b) They are equal (c) 5/8
  28. 28.1/3 + 8/9 = ? (a) 10/9 (b) 11/9 (c) 3/4 (d) 4/3
  29. 29.What is 7/8 of 56? (a) 7 (b) 49 (c) 50 (d) 56
  30. 30.Which fraction is greater: 1/4 or 1/11? (a) 1/11 (b) They are equal (c) 1/4
  31. 31.2/8 + 2/3 = ? (a) 11/12 (b) 4/11 (c) 7/8 (d) 23/24
  32. 32.What is 2/3 of 9? (a) 9 (b) 7 (c) 6 (d) 3
  33. 33.4/6 + 4/5 = ? (a) 3/2 (b) 8/11 (c) 43/30 (d) 22/15
  34. 34.Which fraction is greater: 1/3 or 3/5? (a) 3/5 (b) They are equal (c) 1/3
  35. 35.1/2 + 4/9 = ? (a) 1 (b) 5/11 (c) 17/18 (d) 8/9
  36. 36.Which fraction is greater: 7/10 or 3/4? (a) 7/10 (b) They are equal (c) 3/4
  37. 37.1/2 + 3/8 = ? (a) 3/4 (b) 1 (c) 2/5 (d) 7/8
  38. 38.Which fraction is greater: 2/7 or 6/11? (a) 6/11 (b) 2/7 (c) They are equal
  39. 39.2/3 + 1/3 = ? (a) 1/2 (b) 1 (c) 4/3 (d) 2/3
  40. 40.Which fraction is greater: 1/5 or 3/10? (a) They are equal (b) 1/5 (c) 3/10

Answer key

  1. 3/5
  2. 2/3
  3. 13/12
  4. 1/4
  5. 2/3
  6. 24
  7. 1/4
  8. 35
  9. 1
  10. 14/15
  11. 3
  12. 2/3
  13. 9
  14. 20/21
  15. 2/3
  16. 7/8
  17. 31/24
  18. 1/3
  19. 2/3
  20. 3/4
  21. 11/10
  22. 7
  23. 60
  24. 3
  25. 2/3
  26. 8
  27. 5/8
  28. 11/9
  29. 49
  30. 1/4
  31. 11/12
  32. 6
  33. 22/15
  34. 3/5
  35. 17/18
  36. 3/4
  37. 7/8
  38. 6/11
  39. 1
  40. 3/10

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