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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 858 · 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: 5/12 or 5/11? (a) 5/11 (b) 5/12 (c) They are equal
  2. 2.What is 2/3 of 24? (a) 24 (b) 17 (c) 16 (d) 8
  3. 3.What is 2/3 of 12? (a) 12 (b) 4 (c) 9 (d) 8
  4. 4.What is 1/2 of 24? (a) 13 (b) 12 (c) 11 (d) 24
  5. 5.Which fraction is greater: 7/8 or 1/5? (a) They are equal (b) 1/5 (c) 7/8
  6. 6.Which fraction is greater: 7/11 or 1/5? (a) They are equal (b) 7/11 (c) 1/5
  7. 7.What is 3/4 of 36? (a) 28 (b) 36 (c) 9 (d) 27
  8. 8.Which fraction is greater: 2/11 or 1/3? (a) 2/11 (b) They are equal (c) 1/3
  9. 9.What is 5/8 of 56? (a) 35 (b) 7 (c) 42 (d) 21
  10. 10.Which fraction is greater: 3/5 or 3/11? (a) They are equal (b) 3/5 (c) 3/11
  11. 11.Which fraction is greater: 1/5 or 7/8? (a) They are equal (b) 7/8 (c) 1/5
  12. 12.2/5 + 2/4 = ? (a) 4/9 (b) 17/20 (c) 9/10 (d) 19/20
  13. 13.1/2 + 3/9 = ? (a) 5/6 (b) 7/9 (c) 8/9 (d) 4/11
  14. 14.What is 8/9 of 81? (a) 9 (b) 73 (c) 72 (d) 81
  15. 15.What is 1/3 of 33? (a) 11 (b) 22 (c) 10 (d) 12
  16. 16.Which fraction is greater: 5/9 or 1/7? (a) 1/7 (b) They are equal (c) 5/9
  17. 17.5/6 + 4/5 = ? (a) 8/5 (b) 5/3 (c) 49/30 (d) 9/11
  18. 18.1/2 + 6/9 = ? (a) 11/9 (b) 10/9 (c) 7/11 (d) 7/6
  19. 19.What is 1/2 of 14? (a) 6 (b) 8 (c) 14 (d) 7
  20. 20.What is 5/8 of 16? (a) 10 (b) 12 (c) 2 (d) 6
  21. 21.1/5 + 1/6 = ? (a) 1/3 (b) 2/5 (c) 2/11 (d) 11/30
  22. 22.What is 1/3 of 15? (a) 6 (b) 4 (c) 10 (d) 5
  23. 23.What is 6/7 of 84? (a) 73 (b) 84 (c) 12 (d) 72
  24. 24.1/2 + 4/8 = ? (a) 7/8 (b) 1 (c) 9/8 (d) 1/2
  25. 25.3/7 + 1/5 = ? (a) 22/35 (b) 1/3 (c) 23/35 (d) 3/5
  26. 26.What is 1/2 of 20? (a) 10 (b) 11 (c) 20 (d) 9
  27. 27.Which fraction is greater: 3/5 or 3/4? (a) 3/5 (b) 3/4 (c) They are equal
  28. 28.1/2 + 6/7 = ? (a) 19/14 (b) 7/9 (c) 10/7 (d) 9/7
  29. 29.Which fraction is greater: 1/3 or 1/6? (a) 1/3 (b) 1/6 (c) They are equal
  30. 30.3/4 + 6/8 = ? (a) 13/8 (b) 3/4 (c) 3/2 (d) 11/8
  31. 31.What is 1/3 of 12? (a) 5 (b) 8 (c) 4 (d) 3
  32. 32.1/3 + 3/4 = ? (a) 4/7 (b) 1 (c) 7/6 (d) 13/12
  33. 33.3/4 + 1/5 = ? (a) 1 (b) 19/20 (c) 4/9 (d) 9/10
  34. 34.Which fraction is greater: 3/4 or 1/6? (a) 1/6 (b) 3/4 (c) They are equal
  35. 35.1/4 + 2/3 = ? (a) 1 (b) 3/7 (c) 5/6 (d) 11/12
  36. 36.2/8 + 3/6 = ? (a) 5/14 (b) 3/4 (c) 19/24 (d) 17/24
  37. 37.Which fraction is greater: 6/7 or 2/5? (a) 2/5 (b) They are equal (c) 6/7
  38. 38.What is 2/5 of 55? (a) 11 (b) 33 (c) 22 (d) 23
  39. 39.3/8 + 1/4 = ? (a) 5/8 (b) 1/2 (c) 1/3 (d) 3/4
  40. 40.2/4 + 7/8 = ? (a) 11/8 (b) 3/4 (c) 5/4 (d) 3/2

Answer key

  1. 5/11
  2. 16
  3. 8
  4. 12
  5. 7/8
  6. 7/11
  7. 27
  8. 1/3
  9. 35
  10. 3/5
  11. 7/8
  12. 9/10
  13. 5/6
  14. 72
  15. 11
  16. 5/9
  17. 49/30
  18. 7/6
  19. 7
  20. 10
  21. 11/30
  22. 5
  23. 72
  24. 1
  25. 22/35
  26. 10
  27. 3/4
  28. 19/14
  29. 1/3
  30. 3/2
  31. 4
  32. 13/12
  33. 19/20
  34. 3/4
  35. 11/12
  36. 3/4
  37. 6/7
  38. 22
  39. 5/8
  40. 11/8

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