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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 438 · 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. 1.7/8 + 1/3 = ? (a) 5/4 (b) 8/11 (c) 7/6 (d) 29/24
  2. 2.What is 8/9 of 90? (a) 81 (b) 10 (c) 80 (d) 90
  3. 3.Which fraction is greater: 3/8 or 1/4? (a) 1/4 (b) 3/8 (c) They are equal
  4. 4.Which fraction is greater: 3/8 or 5/6? (a) 3/8 (b) 5/6 (c) They are equal
  5. 5.Which fraction is greater: 2/3 or 2/9? (a) They are equal (b) 2/3 (c) 2/9
  6. 6.What is 1/2 of 10? (a) 5 (b) 10 (c) 6 (d) 4
  7. 7.What is 2/7 of 63? (a) 27 (b) 18 (c) 45 (d) 9
  8. 8.What is 1/2 of 20? (a) 9 (b) 20 (c) 10 (d) 11
  9. 9.1/2 + 7/9 = ? (a) 11/9 (b) 8/11 (c) 4/3 (d) 23/18
  10. 10.2/3 + 1/2 = ? (a) 1 (b) 7/6 (c) 3/5 (d) 4/3
  11. 11.3/5 + 4/5 = ? (a) 8/5 (b) 7/10 (c) 7/5 (d) 6/5
  12. 12.Which fraction is greater: 1/7 or 1/4? (a) 1/7 (b) They are equal (c) 1/4
  13. 13.1/3 + 1/7 = ? (a) 1/5 (b) 11/21 (c) 10/21 (d) 3/7
  14. 14.What is 1/9 of 108? (a) 13 (b) 12 (c) 96 (d) 24
  15. 15.What is 3/4 of 36? (a) 36 (b) 28 (c) 27 (d) 9
  16. 16.Which fraction is greater: 1/3 or 1/7? (a) They are equal (b) 1/7 (c) 1/3
  17. 17.Which fraction is greater: 1/4 or 2/3? (a) They are equal (b) 1/4 (c) 2/3
  18. 18.Which fraction is greater: 3/4 or 1/9? (a) 1/9 (b) They are equal (c) 3/4
  19. 19.Which fraction is greater: 3/4 or 2/3? (a) 2/3 (b) 3/4 (c) They are equal
  20. 20.What is 1/3 of 15? (a) 5 (b) 4 (c) 10 (d) 6
  21. 21.Which fraction is greater: 7/10 or 2/5? (a) 2/5 (b) They are equal (c) 7/10
  22. 22.Which fraction is greater: 2/5 or 1/8? (a) They are equal (b) 2/5 (c) 1/8
  23. 23.Which fraction is greater: 3/7 or 2/9? (a) 3/7 (b) 2/9 (c) They are equal
  24. 24.1/2 + 5/8 = ? (a) 5/4 (b) 3/5 (c) 1 (d) 9/8
  25. 25.What is 2/3 of 18? (a) 18 (b) 6 (c) 13 (d) 12
  26. 26.1/5 + 1/3 = ? (a) 7/15 (b) 3/5 (c) 1/4 (d) 8/15
  27. 27.Which fraction is greater: 1/11 or 3/7? (a) 1/11 (b) They are equal (c) 3/7
  28. 28.Which fraction is greater: 5/11 or 1/6? (a) They are equal (b) 5/11 (c) 1/6
  29. 29.Which fraction is greater: 2/3 or 7/8? (a) 7/8 (b) They are equal (c) 2/3
  30. 30.Which fraction is greater: 1/4 or 1/5? (a) They are equal (b) 1/5 (c) 1/4
  31. 31.2/9 + 1/6 = ? (a) 1/3 (b) 1/5 (c) 4/9 (d) 7/18
  32. 32.Which fraction is greater: 4/7 or 4/5? (a) 4/5 (b) They are equal (c) 4/7
  33. 33.1/3 + 1/3 = ? (a) 4/3 (b) 1 (c) 2/3 (d) 1/3
  34. 34.Which fraction is greater: 2/7 or 7/8? (a) 7/8 (b) They are equal (c) 2/7
  35. 35.3/4 + 3/5 = ? (a) 7/5 (b) 27/20 (c) 2/3 (d) 13/10
  36. 36.Which fraction is greater: 5/6 or 1/4? (a) They are equal (b) 5/6 (c) 1/4
  37. 37.What is 8/9 of 45? (a) 40 (b) 41 (c) 5 (d) 45
  38. 38.2/3 + 2/3 = ? (a) 5/3 (b) 1 (c) 4/3 (d) 2/3
  39. 39.Which fraction is greater: 2/7 or 1/12? (a) 1/12 (b) 2/7 (c) They are equal
  40. 40.Which fraction is greater: 2/9 or 1/4? (a) They are equal (b) 1/4 (c) 2/9

Answer key

  1. 29/24
  2. 80
  3. 3/8
  4. 5/6
  5. 2/3
  6. 5
  7. 18
  8. 10
  9. 23/18
  10. 7/6
  11. 7/5
  12. 1/4
  13. 10/21
  14. 12
  15. 27
  16. 1/3
  17. 2/3
  18. 3/4
  19. 3/4
  20. 5
  21. 7/10
  22. 2/5
  23. 3/7
  24. 9/8
  25. 12
  26. 8/15
  27. 3/7
  28. 5/11
  29. 7/8
  30. 1/4
  31. 7/18
  32. 4/5
  33. 2/3
  34. 7/8
  35. 27/20
  36. 5/6
  37. 40
  38. 4/3
  39. 2/7
  40. 1/4

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