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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 688 · 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: 4/5 or 5/8? (a) 5/8 (b) 4/5 (c) They are equal
  2. 2.What is 1/3 of 9? (a) 3 (b) 2 (c) 6 (d) 4
  3. 3.1/2 + 2/8 = ? (a) 3/4 (b) 7/8 (c) 5/8 (d) 3/10
  4. 4.Which fraction is greater: 2/5 or 3/4? (a) They are equal (b) 2/5 (c) 3/4
  5. 5.What is 1/8 of 96? (a) 24 (b) 84 (c) 13 (d) 12
  6. 6.Which fraction is greater: 8/11 or 1/7? (a) They are equal (b) 1/7 (c) 8/11
  7. 7.What is 1/5 of 30? (a) 12 (b) 24 (c) 6 (d) 7
  8. 8.1/3 + 1/4 = ? (a) 1/2 (b) 2/7 (c) 7/12 (d) 2/3
  9. 9.Which fraction is greater: 1/4 or 2/5? (a) 1/4 (b) They are equal (c) 2/5
  10. 10.Which fraction is greater: 8/9 or 7/10? (a) 8/9 (b) They are equal (c) 7/10
  11. 11.Which fraction is greater: 1/4 or 1/10? (a) 1/4 (b) They are equal (c) 1/10
  12. 12.Which fraction is greater: 2/3 or 2/11? (a) 2/11 (b) 2/3 (c) They are equal
  13. 13.What is 5/8 of 64? (a) 40 (b) 8 (c) 48 (d) 24
  14. 14.What is 2/3 of 15? (a) 11 (b) 15 (c) 5 (d) 10
  15. 15.What is 5/9 of 45? (a) 30 (b) 20 (c) 5 (d) 25
  16. 16.5/8 + 4/6 = ? (a) 4/3 (b) 31/24 (c) 5/4 (d) 9/14
  17. 17.Which fraction is greater: 1/4 or 1/3? (a) They are equal (b) 1/4 (c) 1/3
  18. 18.What is 7/9 of 63? (a) 14 (b) 7 (c) 49 (d) 56
  19. 19.Which fraction is greater: 1/5 or 5/12? (a) They are equal (b) 5/12 (c) 1/5
  20. 20.1/6 + 2/9 = ? (a) 1/5 (b) 4/9 (c) 1/3 (d) 7/18
  21. 21.2/3 + 3/4 = ? (a) 5/7 (b) 3/2 (c) 17/12 (d) 4/3
  22. 22.Which fraction is greater: 2/3 or 3/11? (a) They are equal (b) 3/11 (c) 2/3
  23. 23.What is 1/2 of 14? (a) 14 (b) 6 (c) 7 (d) 8
  24. 24.6/9 + 2/4 = ? (a) 41/36 (b) 8/13 (c) 43/36 (d) 7/6
  25. 25.Which fraction is greater: 5/9 or 1/4? (a) 5/9 (b) 1/4 (c) They are equal
  26. 26.What is 1/3 of 18? (a) 7 (b) 6 (c) 12 (d) 5
  27. 27.4/5 + 1/5 = ? (a) 1 (b) 4/5 (c) 6/5 (d) 1/2
  28. 28.2/9 + 5/6 = ? (a) 7/15 (b) 10/9 (c) 19/18 (d) 1
  29. 29.Which fraction is greater: 3/4 or 2/3? (a) 2/3 (b) 3/4 (c) They are equal
  30. 30.What is 1/4 of 24? (a) 7 (b) 18 (c) 6 (d) 12
  31. 31.What is 3/5 of 20? (a) 16 (b) 12 (c) 4 (d) 8
  32. 32.Which fraction is greater: 3/10 or 6/11? (a) They are equal (b) 3/10 (c) 6/11
  33. 33.Which fraction is greater: 4/5 or 3/4? (a) 3/4 (b) 4/5 (c) They are equal
  34. 34.Which fraction is greater: 2/3 or 1/8? (a) 1/8 (b) 2/3 (c) They are equal
  35. 35.2/3 + 2/4 = ? (a) 13/12 (b) 7/6 (c) 5/4 (d) 4/7
  36. 36.Which fraction is greater: 2/9 or 3/10? (a) They are equal (b) 3/10 (c) 2/9
  37. 37.What is 1/4 of 16? (a) 4 (b) 8 (c) 5 (d) 12
  38. 38.2/8 + 4/8 = ? (a) 5/8 (b) 7/8 (c) 3/4 (d) 3/8
  39. 39.Which fraction is greater: 1/9 or 3/4? (a) 1/9 (b) They are equal (c) 3/4
  40. 40.What is 7/8 of 88? (a) 11 (b) 88 (c) 77 (d) 78

Answer key

  1. 4/5
  2. 3
  3. 3/4
  4. 3/4
  5. 12
  6. 8/11
  7. 6
  8. 7/12
  9. 2/5
  10. 8/9
  11. 1/4
  12. 2/3
  13. 40
  14. 10
  15. 25
  16. 31/24
  17. 1/3
  18. 49
  19. 5/12
  20. 7/18
  21. 17/12
  22. 2/3
  23. 7
  24. 7/6
  25. 5/9
  26. 6
  27. 1
  28. 19/18
  29. 3/4
  30. 6
  31. 12
  32. 6/11
  33. 4/5
  34. 2/3
  35. 7/6
  36. 3/10
  37. 4
  38. 3/4
  39. 3/4
  40. 77

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