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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 283 · 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. 1.3/5 + 1/2 = ? (a) 1 (b) 4/7 (c) 6/5 (d) 11/10
  2. 2.Which fraction is greater: 2/3 or 1/4? (a) They are equal (b) 1/4 (c) 2/3
  3. 3.1/3 + 1/8 = ? (a) 5/12 (b) 1/2 (c) 2/11 (d) 11/24
  4. 4.Which fraction is greater: 1/5 or 2/9? (a) They are equal (b) 1/5 (c) 2/9
  5. 5.What is 3/4 of 40? (a) 31 (b) 30 (c) 40 (d) 10
  6. 6.What is 3/5 of 30? (a) 18 (b) 12 (c) 24 (d) 6
  7. 7.What is 1/2 of 12? (a) 5 (b) 6 (c) 7 (d) 12
  8. 8.2/3 + 1/2 = ? (a) 3/5 (b) 7/6 (c) 4/3 (d) 1
  9. 9.1/4 + 6/9 = ? (a) 17/18 (b) 8/9 (c) 11/12 (d) 7/13
  10. 10.What is 1/4 of 12? (a) 3 (b) 4 (c) 9 (d) 6
  11. 11.What is 1/6 of 36? (a) 12 (b) 6 (c) 7 (d) 30
  12. 12.Which fraction is greater: 1/6 or 2/3? (a) 1/6 (b) 2/3 (c) They are equal
  13. 13.What is 4/5 of 20? (a) 20 (b) 4 (c) 17 (d) 16
  14. 14.What is 5/6 of 66? (a) 56 (b) 66 (c) 55 (d) 11
  15. 15.What is 2/7 of 14? (a) 2 (b) 4 (c) 6 (d) 10
  16. 16.What is 8/9 of 63? (a) 7 (b) 63 (c) 57 (d) 56
  17. 17.What is 5/8 of 48? (a) 18 (b) 30 (c) 36 (d) 6
  18. 18.Which fraction is greater: 1/12 or 1/9? (a) 1/9 (b) 1/12 (c) They are equal
  19. 19.4/8 + 1/8 = ? (a) 5/16 (b) 1/2 (c) 3/4 (d) 5/8
  20. 20.2/6 + 2/3 = ? (a) 7/6 (b) 4/9 (c) 5/6 (d) 1
  21. 21.Which fraction is greater: 3/8 or 5/6? (a) 5/6 (b) They are equal (c) 3/8
  22. 22.Which fraction is greater: 8/9 or 1/11? (a) 1/11 (b) 8/9 (c) They are equal
  23. 23.1/2 + 2/3 = ? (a) 1 (b) 7/6 (c) 4/3 (d) 3/5
  24. 24.What is 5/6 of 72? (a) 60 (b) 61 (c) 12 (d) 72
  25. 25.Which fraction is greater: 4/11 or 2/7? (a) They are equal (b) 4/11 (c) 2/7
  26. 26.Which fraction is greater: 9/10 or 2/3? (a) They are equal (b) 2/3 (c) 9/10
  27. 27.Which fraction is greater: 2/3 or 9/10? (a) 9/10 (b) They are equal (c) 2/3
  28. 28.Which fraction is greater: 7/9 or 8/11? (a) 7/9 (b) They are equal (c) 8/11
  29. 29.Which fraction is greater: 5/9 or 1/5? (a) 5/9 (b) 1/5 (c) They are equal
  30. 30.Which fraction is greater: 1/4 or 1/8? (a) 1/8 (b) 1/4 (c) They are equal
  31. 31.3/4 + 1/3 = ? (a) 13/12 (b) 7/6 (c) 1 (d) 4/7
  32. 32.2/9 + 1/4 = ? (a) 4/9 (b) 1/2 (c) 3/13 (d) 17/36
  33. 33.1/5 + 2/5 = ? (a) 2/5 (b) 4/5 (c) 3/10 (d) 3/5
  34. 34.What is 2/3 of 15? (a) 10 (b) 11 (c) 15 (d) 5
  35. 35.What is 2/3 of 6? (a) 6 (b) 2 (c) 5 (d) 4
  36. 36.Which fraction is greater: 3/5 or 5/6? (a) They are equal (b) 3/5 (c) 5/6
  37. 37.Which fraction is greater: 1/5 or 1/12? (a) They are equal (b) 1/12 (c) 1/5
  38. 38.2/8 + 1/4 = ? (a) 5/8 (b) 1/2 (c) 3/8 (d) 1/4
  39. 39.What is 1/2 of 8? (a) 5 (b) 8 (c) 4 (d) 3
  40. 40.What is 1/8 of 40? (a) 6 (b) 35 (c) 10 (d) 5

Answer key

  1. 11/10
  2. 2/3
  3. 11/24
  4. 2/9
  5. 30
  6. 18
  7. 6
  8. 7/6
  9. 11/12
  10. 3
  11. 6
  12. 2/3
  13. 16
  14. 55
  15. 4
  16. 56
  17. 30
  18. 1/9
  19. 5/8
  20. 1
  21. 5/6
  22. 8/9
  23. 7/6
  24. 60
  25. 4/11
  26. 9/10
  27. 9/10
  28. 7/9
  29. 5/9
  30. 1/4
  31. 13/12
  32. 17/36
  33. 3/5
  34. 10
  35. 4
  36. 5/6
  37. 1/5
  38. 1/2
  39. 4
  40. 5

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