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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 61 · 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: 1/4 or 8/11? (a) They are equal (b) 1/4 (c) 8/11
  2. 2.What is 3/8 of 64? (a) 24 (b) 32 (c) 8 (d) 40
  3. 3.What is 1/3 of 24? (a) 8 (b) 16 (c) 7 (d) 9
  4. 4.2/5 + 1/2 = ? (a) 1 (b) 9/10 (c) 3/7 (d) 4/5
  5. 5.What is 1/2 of 22? (a) 12 (b) 22 (c) 11 (d) 10
  6. 6.Which fraction is greater: 2/3 or 3/11? (a) 3/11 (b) They are equal (c) 2/3
  7. 7.8/9 + 2/3 = ? (a) 5/6 (b) 14/9 (c) 13/9 (d) 5/3
  8. 8.Which fraction is greater: 1/6 or 2/5? (a) They are equal (b) 1/6 (c) 2/5
  9. 9.1/2 + 1/5 = ? (a) 4/5 (b) 3/5 (c) 7/10 (d) 2/7
  10. 10.Which fraction is greater: 4/5 or 1/3? (a) 1/3 (b) 4/5 (c) They are equal
  11. 11.What is 1/2 of 24? (a) 12 (b) 13 (c) 24 (d) 11
  12. 12.What is 2/5 of 15? (a) 7 (b) 9 (c) 3 (d) 6
  13. 13.Which fraction is greater: 3/4 or 5/12? (a) 3/4 (b) 5/12 (c) They are equal
  14. 14.1/2 + 5/9 = ? (a) 6/11 (b) 10/9 (c) 1 (d) 19/18
  15. 15.Which fraction is greater: 3/4 or 1/3? (a) 3/4 (b) 1/3 (c) They are equal
  16. 16.What is 3/4 of 40? (a) 40 (b) 10 (c) 30 (d) 31
  17. 17.Which fraction is greater: 1/3 or 5/6? (a) 5/6 (b) 1/3 (c) They are equal
  18. 18.Which fraction is greater: 1/12 or 6/7? (a) 1/12 (b) They are equal (c) 6/7
  19. 19.1/2 + 3/8 = ? (a) 7/8 (b) 1 (c) 2/5 (d) 3/4
  20. 20.2/3 + 1/9 = ? (a) 2/3 (b) 7/9 (c) 8/9 (d) 1/4
  21. 21.1/2 + 3/7 = ? (a) 4/9 (b) 1 (c) 13/14 (d) 6/7
  22. 22.2/4 + 2/8 = ? (a) 7/8 (b) 1/3 (c) 3/4 (d) 5/8
  23. 23.What is 2/5 of 45? (a) 9 (b) 18 (c) 19 (d) 27
  24. 24.Which fraction is greater: 6/7 or 2/5? (a) 2/5 (b) 6/7 (c) They are equal
  25. 25.What is 6/7 of 63? (a) 9 (b) 63 (c) 55 (d) 54
  26. 26.What is 4/9 of 18? (a) 8 (b) 2 (c) 9 (d) 10
  27. 27.1/4 + 1/5 = ? (a) 2/9 (b) 1/2 (c) 2/5 (d) 9/20
  28. 28.2/4 + 3/8 = ? (a) 5/12 (b) 3/4 (c) 7/8 (d) 1
  29. 29.Which fraction is greater: 5/6 or 2/3? (a) They are equal (b) 5/6 (c) 2/3
  30. 30.What is 1/2 of 12? (a) 7 (b) 5 (c) 6 (d) 12
  31. 31.What is 1/9 of 81? (a) 72 (b) 18 (c) 10 (d) 9
  32. 32.Which fraction is greater: 7/8 or 2/3? (a) They are equal (b) 2/3 (c) 7/8
  33. 33.1/2 + 1/2 = ? (a) 2 (b) 1/2 (c) 1 (d) 3/2
  34. 34.What is 1/6 of 18? (a) 6 (b) 4 (c) 15 (d) 3
  35. 35.1/8 + 1/3 = ? (a) 11/24 (b) 5/12 (c) 1/2 (d) 2/11
  36. 36.7/9 + 3/9 = ? (a) 5/9 (b) 11/9 (c) 1 (d) 10/9
  37. 37.Which fraction is greater: 1/3 or 2/11? (a) 2/11 (b) They are equal (c) 1/3
  38. 38.5/8 + 2/4 = ? (a) 9/8 (b) 1 (c) 7/12 (d) 5/4
  39. 39.1/3 + 1/3 = ? (a) 2/3 (b) 4/3 (c) 1/3 (d) 1
  40. 40.What is 1/4 of 8? (a) 3 (b) 6 (c) 4 (d) 2

Answer key

  1. 8/11
  2. 24
  3. 8
  4. 9/10
  5. 11
  6. 2/3
  7. 14/9
  8. 2/5
  9. 7/10
  10. 4/5
  11. 12
  12. 6
  13. 3/4
  14. 19/18
  15. 3/4
  16. 30
  17. 5/6
  18. 6/7
  19. 7/8
  20. 7/9
  21. 13/14
  22. 3/4
  23. 18
  24. 6/7
  25. 54
  26. 8
  27. 9/20
  28. 7/8
  29. 5/6
  30. 6
  31. 9
  32. 7/8
  33. 1
  34. 3
  35. 11/24
  36. 10/9
  37. 1/3
  38. 9/8
  39. 2/3
  40. 2

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