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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 835 · 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.What is 8/9 of 108? (a) 97 (b) 108 (c) 96 (d) 12
  2. 2.Which fraction is greater: 2/9 or 7/8? (a) 7/8 (b) 2/9 (c) They are equal
  3. 3.What is 2/3 of 27? (a) 27 (b) 19 (c) 9 (d) 18
  4. 4.2/3 + 1/8 = ? (a) 3/4 (b) 5/6 (c) 19/24 (d) 3/11
  5. 5.Which fraction is greater: 1/3 or 3/7? (a) 1/3 (b) 3/7 (c) They are equal
  6. 6.1/6 + 4/5 = ? (a) 29/30 (b) 14/15 (c) 5/11 (d) 1
  7. 7.What is 1/9 of 81? (a) 72 (b) 10 (c) 18 (d) 9
  8. 8.Which fraction is greater: 5/7 or 8/9? (a) 8/9 (b) They are equal (c) 5/7
  9. 9.3/4 + 2/3 = ? (a) 4/3 (b) 5/7 (c) 3/2 (d) 17/12
  10. 10.1/8 + 3/4 = ? (a) 1/3 (b) 3/4 (c) 1 (d) 7/8
  11. 11.What is 2/3 of 9? (a) 7 (b) 9 (c) 6 (d) 3
  12. 12.4/6 + 2/9 = ? (a) 5/6 (b) 2/5 (c) 17/18 (d) 8/9
  13. 13.Which fraction is greater: 2/3 or 7/10? (a) 7/10 (b) They are equal (c) 2/3
  14. 14.Which fraction is greater: 1/5 or 1/3? (a) They are equal (b) 1/5 (c) 1/3
  15. 15.Which fraction is greater: 11/12 or 1/4? (a) 11/12 (b) They are equal (c) 1/4
  16. 16.Which fraction is greater: 2/3 or 2/5? (a) 2/5 (b) 2/3 (c) They are equal
  17. 17.Which fraction is greater: 3/4 or 2/11? (a) 2/11 (b) 3/4 (c) They are equal
  18. 18.Which fraction is greater: 5/8 or 4/7? (a) 4/7 (b) They are equal (c) 5/8
  19. 19.What is 1/3 of 15? (a) 5 (b) 4 (c) 6 (d) 10
  20. 20.What is 1/4 of 20? (a) 10 (b) 15 (c) 6 (d) 5
  21. 21.What is 1/5 of 35? (a) 28 (b) 7 (c) 14 (d) 8
  22. 22.What is 3/4 of 16? (a) 4 (b) 16 (c) 12 (d) 13
  23. 23.Which fraction is greater: 1/6 or 3/5? (a) They are equal (b) 1/6 (c) 3/5
  24. 24.3/4 + 6/8 = ? (a) 13/8 (b) 3/4 (c) 3/2 (d) 11/8
  25. 25.Which fraction is greater: 3/4 or 1/8? (a) 3/4 (b) 1/8 (c) They are equal
  26. 26.1/4 + 6/8 = ? (a) 7/8 (b) 7/12 (c) 1 (d) 9/8
  27. 27.5/6 + 1/2 = ? (a) 4/3 (b) 7/6 (c) 3/2 (d) 3/4
  28. 28.What is 1/6 of 72? (a) 13 (b) 24 (c) 12 (d) 60
  29. 29.4/5 + 4/7 = ? (a) 2/3 (b) 48/35 (c) 47/35 (d) 7/5
  30. 30.What is 1/6 of 36? (a) 7 (b) 12 (c) 6 (d) 30
  31. 31.Which fraction is greater: 1/5 or 3/4? (a) 1/5 (b) 3/4 (c) They are equal
  32. 32.Which fraction is greater: 2/9 or 4/7? (a) 2/9 (b) They are equal (c) 4/7
  33. 33.Which fraction is greater: 5/7 or 1/12? (a) They are equal (b) 1/12 (c) 5/7
  34. 34.Which fraction is greater: 1/3 or 1/6? (a) 1/3 (b) They are equal (c) 1/6
  35. 35.What is 1/2 of 8? (a) 4 (b) 3 (c) 8 (d) 5
  36. 36.What is 1/9 of 18? (a) 2 (b) 16 (c) 3 (d) 4
  37. 37.What is 1/4 of 24? (a) 6 (b) 18 (c) 12 (d) 7
  38. 38.Which fraction is greater: 1/11 or 1/7? (a) 1/7 (b) 1/11 (c) They are equal
  39. 39.Which fraction is greater: 7/11 or 1/8? (a) They are equal (b) 1/8 (c) 7/11
  40. 40.Which fraction is greater: 3/4 or 3/10? (a) 3/10 (b) 3/4 (c) They are equal

Answer key

  1. 96
  2. 7/8
  3. 18
  4. 19/24
  5. 3/7
  6. 29/30
  7. 9
  8. 8/9
  9. 17/12
  10. 7/8
  11. 6
  12. 8/9
  13. 7/10
  14. 1/3
  15. 11/12
  16. 2/3
  17. 3/4
  18. 5/8
  19. 5
  20. 5
  21. 7
  22. 12
  23. 3/5
  24. 3/2
  25. 3/4
  26. 1
  27. 4/3
  28. 12
  29. 48/35
  30. 6
  31. 3/4
  32. 4/7
  33. 5/7
  34. 1/3
  35. 4
  36. 2
  37. 6
  38. 1/7
  39. 7/11
  40. 3/4

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