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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 177 · 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 2/5 of 35? (a) 15 (b) 21 (c) 14 (d) 7
  2. 2.1/7 + 1/7 = ? (a) 1/7 (b) 4/7 (c) 3/7 (d) 2/7
  3. 3.What is 1/5 of 10? (a) 8 (b) 3 (c) 4 (d) 2
  4. 4.What is 3/8 of 24? (a) 15 (b) 9 (c) 12 (d) 3
  5. 5.1/2 + 1/7 = ? (a) 2/9 (b) 5/7 (c) 4/7 (d) 9/14
  6. 6.What is 7/9 of 18? (a) 4 (b) 14 (c) 2 (d) 16
  7. 7.What is 1/3 of 12? (a) 3 (b) 5 (c) 4 (d) 8
  8. 8.What is 1/3 of 24? (a) 8 (b) 16 (c) 9 (d) 7
  9. 9.1/3 + 1/6 = ? (a) 2/9 (b) 1/2 (c) 1/3 (d) 2/3
  10. 10.What is 5/7 of 63? (a) 45 (b) 54 (c) 18 (d) 9
  11. 11.Which fraction is greater: 1/11 or 3/7? (a) 3/7 (b) 1/11 (c) They are equal
  12. 12.Which fraction is greater: 11/12 or 1/4? (a) 1/4 (b) 11/12 (c) They are equal
  13. 13.Which fraction is greater: 1/5 or 1/7? (a) They are equal (b) 1/5 (c) 1/7
  14. 14.Which fraction is greater: 1/6 or 1/3? (a) 1/6 (b) 1/3 (c) They are equal
  15. 15.Which fraction is greater: 4/9 or 1/4? (a) 4/9 (b) 1/4 (c) They are equal
  16. 16.What is 1/2 of 10? (a) 10 (b) 6 (c) 5 (d) 4
  17. 17.3/7 + 6/7 = ? (a) 8/7 (b) 9/14 (c) 10/7 (d) 9/7
  18. 18.What is 8/9 of 72? (a) 65 (b) 72 (c) 64 (d) 8
  19. 19.What is 5/7 of 21? (a) 18 (b) 15 (c) 3 (d) 6
  20. 20.What is 1/6 of 12? (a) 2 (b) 4 (c) 3 (d) 10
  21. 21.Which fraction is greater: 3/11 or 7/8? (a) 3/11 (b) They are equal (c) 7/8
  22. 22.Which fraction is greater: 11/12 or 1/3? (a) 11/12 (b) 1/3 (c) They are equal
  23. 23.Which fraction is greater: 2/11 or 2/5? (a) 2/5 (b) 2/11 (c) They are equal
  24. 24.Which fraction is greater: 1/3 or 9/10? (a) 9/10 (b) 1/3 (c) They are equal
  25. 25.What is 2/3 of 9? (a) 9 (b) 3 (c) 7 (d) 6
  26. 26.1/2 + 1/2 = ? (a) 2 (b) 1 (c) 1/2 (d) 3/2
  27. 27.1/3 + 1/5 = ? (a) 8/15 (b) 3/5 (c) 7/15 (d) 1/4
  28. 28.What is 2/3 of 6? (a) 2 (b) 6 (c) 5 (d) 4
  29. 29.What is 1/7 of 21? (a) 4 (b) 6 (c) 18 (d) 3
  30. 30.6/8 + 2/6 = ? (a) 9/8 (b) 13/12 (c) 25/24 (d) 4/7
  31. 31.Which fraction is greater: 1/3 or 5/6? (a) They are equal (b) 5/6 (c) 1/3
  32. 32.What is 1/6 of 30? (a) 5 (b) 25 (c) 10 (d) 6
  33. 33.What is 2/7 of 56? (a) 24 (b) 16 (c) 8 (d) 40
  34. 34.What is 2/3 of 12? (a) 8 (b) 12 (c) 4 (d) 9
  35. 35.What is 1/3 of 6? (a) 1 (b) 2 (c) 3 (d) 4
  36. 36.What is 2/9 of 108? (a) 36 (b) 84 (c) 12 (d) 24
  37. 37.What is 5/8 of 24? (a) 3 (b) 15 (c) 18 (d) 9
  38. 38.2/4 + 1/4 = ? (a) 3/4 (b) 3/8 (c) 1 (d) 1/2
  39. 39.5/6 + 1/3 = ? (a) 4/3 (b) 1 (c) 2/3 (d) 7/6
  40. 40.1/2 + 2/3 = ? (a) 3/5 (b) 1 (c) 7/6 (d) 4/3

Answer key

  1. 14
  2. 2/7
  3. 2
  4. 9
  5. 9/14
  6. 14
  7. 4
  8. 8
  9. 1/2
  10. 45
  11. 3/7
  12. 11/12
  13. 1/5
  14. 1/3
  15. 4/9
  16. 5
  17. 9/7
  18. 64
  19. 15
  20. 2
  21. 7/8
  22. 11/12
  23. 2/5
  24. 9/10
  25. 6
  26. 1
  27. 8/15
  28. 4
  29. 3
  30. 13/12
  31. 5/6
  32. 5
  33. 16
  34. 8
  35. 2
  36. 24
  37. 15
  38. 3/4
  39. 7/6
  40. 7/6

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