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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 681 · 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 4/5 of 25? (a) 25 (b) 20 (c) 21 (d) 5
  2. 2.What is 4/9 of 108? (a) 49 (b) 60 (c) 12 (d) 48
  3. 3.Which fraction is greater: 3/10 or 4/7? (a) They are equal (b) 4/7 (c) 3/10
  4. 4.What is 2/5 of 60? (a) 12 (b) 36 (c) 24 (d) 25
  5. 5.What is 1/4 of 12? (a) 3 (b) 4 (c) 9 (d) 6
  6. 6.What is 7/8 of 56? (a) 7 (b) 50 (c) 49 (d) 56
  7. 7.1/2 + 1/3 = ? (a) 2/3 (b) 5/6 (c) 2/5 (d) 1
  8. 8.What is 1/3 of 36? (a) 13 (b) 12 (c) 11 (d) 24
  9. 9.Which fraction is greater: 1/8 or 2/5? (a) 1/8 (b) They are equal (c) 2/5
  10. 10.1/6 + 1/2 = ? (a) 1/4 (b) 5/6 (c) 2/3 (d) 1/2
  11. 11.What is 1/2 of 6? (a) 6 (b) 4 (c) 2 (d) 3
  12. 12.Which fraction is greater: 3/5 or 5/7? (a) 5/7 (b) 3/5 (c) They are equal
  13. 13.Which fraction is greater: 4/9 or 5/11? (a) 4/9 (b) 5/11 (c) They are equal
  14. 14.What is 1/7 of 77? (a) 11 (b) 12 (c) 66 (d) 22
  15. 15.Which fraction is greater: 1/7 or 7/8? (a) They are equal (b) 1/7 (c) 7/8
  16. 16.Which fraction is greater: 2/3 or 6/7? (a) They are equal (b) 6/7 (c) 2/3
  17. 17.2/8 + 1/2 = ? (a) 3/4 (b) 7/8 (c) 3/10 (d) 5/8
  18. 18.What is 2/3 of 36? (a) 24 (b) 25 (c) 36 (d) 12
  19. 19.1/4 + 4/7 = ? (a) 11/14 (b) 5/11 (c) 6/7 (d) 23/28
  20. 20.Which fraction is greater: 5/7 or 1/4? (a) They are equal (b) 5/7 (c) 1/4
  21. 21.What is 3/5 of 50? (a) 10 (b) 20 (c) 30 (d) 40
  22. 22.Which fraction is greater: 1/3 or 1/5? (a) 1/3 (b) They are equal (c) 1/5
  23. 23.What is 1/2 of 20? (a) 20 (b) 11 (c) 9 (d) 10
  24. 24.3/6 + 5/6 = ? (a) 4/3 (b) 3/2 (c) 7/6 (d) 2/3
  25. 25.1/2 + 4/6 = ? (a) 4/3 (b) 1 (c) 7/6 (d) 5/8
  26. 26.Which fraction is greater: 1/3 or 3/5? (a) They are equal (b) 1/3 (c) 3/5
  27. 27.Which fraction is greater: 6/11 or 1/5? (a) They are equal (b) 6/11 (c) 1/5
  28. 28.What is 1/6 of 72? (a) 24 (b) 13 (c) 12 (d) 60
  29. 29.Which fraction is greater: 2/3 or 5/7? (a) 5/7 (b) 2/3 (c) They are equal
  30. 30.3/5 + 2/3 = ? (a) 5/8 (b) 4/3 (c) 19/15 (d) 6/5
  31. 31.6/9 + 1/2 = ? (a) 7/6 (b) 7/11 (c) 10/9 (d) 11/9
  32. 32.Which fraction is greater: 3/11 or 1/8? (a) They are equal (b) 1/8 (c) 3/11
  33. 33.3/4 + 1/2 = ? (a) 3/2 (b) 1 (c) 5/4 (d) 2/3
  34. 34.What is 1/5 of 55? (a) 12 (b) 11 (c) 22 (d) 44
  35. 35.Which fraction is greater: 9/11 or 5/6? (a) They are equal (b) 9/11 (c) 5/6
  36. 36.1/2 + 2/7 = ? (a) 11/14 (b) 5/7 (c) 6/7 (d) 1/3
  37. 37.What is 1/5 of 35? (a) 7 (b) 14 (c) 28 (d) 8
  38. 38.Which fraction is greater: 9/10 or 3/5? (a) 9/10 (b) 3/5 (c) They are equal
  39. 39.3/6 + 2/8 = ? (a) 3/4 (b) 5/14 (c) 19/24 (d) 17/24
  40. 40.Which fraction is greater: 2/3 or 1/10? (a) 1/10 (b) They are equal (c) 2/3

Answer key

  1. 20
  2. 48
  3. 4/7
  4. 24
  5. 3
  6. 49
  7. 5/6
  8. 12
  9. 2/5
  10. 2/3
  11. 3
  12. 5/7
  13. 5/11
  14. 11
  15. 7/8
  16. 6/7
  17. 3/4
  18. 24
  19. 23/28
  20. 5/7
  21. 30
  22. 1/3
  23. 10
  24. 4/3
  25. 7/6
  26. 3/5
  27. 6/11
  28. 12
  29. 5/7
  30. 19/15
  31. 7/6
  32. 3/11
  33. 5/4
  34. 11
  35. 5/6
  36. 11/14
  37. 7
  38. 9/10
  39. 3/4
  40. 2/3

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