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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 214 · 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 1/2 of 12? (a) 7 (b) 6 (c) 5 (d) 12
  2. 2.1/5 + 2/3 = ? (a) 4/5 (b) 14/15 (c) 3/8 (d) 13/15
  3. 3.7/9 + 2/4 = ? (a) 47/36 (b) 23/18 (c) 5/4 (d) 9/13
  4. 4.1/2 + 1/3 = ? (a) 2/5 (b) 5/6 (c) 1 (d) 2/3
  5. 5.Which fraction is greater: 6/7 or 9/10? (a) They are equal (b) 6/7 (c) 9/10
  6. 6.What is 5/7 of 56? (a) 16 (b) 8 (c) 40 (d) 48
  7. 7.2/3 + 1/5 = ? (a) 4/5 (b) 13/15 (c) 3/8 (d) 14/15
  8. 8.What is 4/7 of 63? (a) 36 (b) 45 (c) 9 (d) 27
  9. 9.Which fraction is greater: 2/11 or 2/3? (a) 2/3 (b) 2/11 (c) They are equal
  10. 10.Which fraction is greater: 1/8 or 4/7? (a) 4/7 (b) 1/8 (c) They are equal
  11. 11.What is 1/2 of 22? (a) 12 (b) 10 (c) 11 (d) 22
  12. 12.Which fraction is greater: 3/11 or 11/12? (a) 3/11 (b) 11/12 (c) They are equal
  13. 13.Which fraction is greater: 1/6 or 7/12? (a) 1/6 (b) 7/12 (c) They are equal
  14. 14.Which fraction is greater: 1/12 or 2/3? (a) They are equal (b) 1/12 (c) 2/3
  15. 15.Which fraction is greater: 1/3 or 3/5? (a) 3/5 (b) 1/3 (c) They are equal
  16. 16.What is 1/3 of 21? (a) 6 (b) 14 (c) 8 (d) 7
  17. 17.Which fraction is greater: 1/4 or 1/3? (a) They are equal (b) 1/3 (c) 1/4
  18. 18.Which fraction is greater: 2/5 or 11/12? (a) 11/12 (b) They are equal (c) 2/5
  19. 19.Which fraction is greater: 1/5 or 1/4? (a) 1/5 (b) They are equal (c) 1/4
  20. 20.Which fraction is greater: 2/5 or 8/9? (a) They are equal (b) 2/5 (c) 8/9
  21. 21.Which fraction is greater: 1/3 or 4/7? (a) They are equal (b) 4/7 (c) 1/3
  22. 22.2/4 + 4/7 = ? (a) 31/28 (b) 6/11 (c) 15/14 (d) 29/28
  23. 23.What is 4/9 of 81? (a) 45 (b) 37 (c) 36 (d) 9
  24. 24.1/2 + 8/9 = ? (a) 9/11 (b) 13/9 (c) 4/3 (d) 25/18
  25. 25.3/7 + 1/3 = ? (a) 2/5 (b) 16/21 (c) 5/7 (d) 17/21
  26. 26.Which fraction is greater: 5/11 or 1/4? (a) They are equal (b) 5/11 (c) 1/4
  27. 27.Which fraction is greater: 1/5 or 6/11? (a) They are equal (b) 6/11 (c) 1/5
  28. 28.What is 1/2 of 6? (a) 3 (b) 6 (c) 2 (d) 4
  29. 29.1/3 + 1/5 = ? (a) 1/4 (b) 7/15 (c) 8/15 (d) 3/5
  30. 30.What is 5/6 of 72? (a) 12 (b) 72 (c) 61 (d) 60
  31. 31.1/2 + 1/8 = ? (a) 5/8 (b) 1/5 (c) 1/2 (d) 3/4
  32. 32.Which fraction is greater: 2/5 or 5/11? (a) 2/5 (b) 5/11 (c) They are equal
  33. 33.Which fraction is greater: 3/4 or 6/7? (a) 6/7 (b) 3/4 (c) They are equal
  34. 34.Which fraction is greater: 1/3 or 7/8? (a) 1/3 (b) 7/8 (c) They are equal
  35. 35.What is 1/9 of 45? (a) 5 (b) 10 (c) 40 (d) 6
  36. 36.What is 2/3 of 12? (a) 4 (b) 8 (c) 12 (d) 9
  37. 37.3/4 + 4/5 = ? (a) 31/20 (b) 3/2 (c) 8/5 (d) 7/9
  38. 38.What is 7/9 of 72? (a) 16 (b) 56 (c) 64 (d) 8
  39. 39.Which fraction is greater: 3/8 or 2/5? (a) They are equal (b) 2/5 (c) 3/8
  40. 40.1/2 + 5/6 = ? (a) 7/6 (b) 3/2 (c) 4/3 (d) 3/4

Answer key

  1. 6
  2. 13/15
  3. 23/18
  4. 5/6
  5. 9/10
  6. 40
  7. 13/15
  8. 36
  9. 2/3
  10. 4/7
  11. 11
  12. 11/12
  13. 7/12
  14. 2/3
  15. 3/5
  16. 7
  17. 1/3
  18. 11/12
  19. 1/4
  20. 8/9
  21. 4/7
  22. 15/14
  23. 36
  24. 25/18
  25. 16/21
  26. 5/11
  27. 6/11
  28. 3
  29. 8/15
  30. 60
  31. 5/8
  32. 5/11
  33. 6/7
  34. 7/8
  35. 5
  36. 8
  37. 31/20
  38. 56
  39. 2/5
  40. 4/3

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