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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 539 · 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.Which fraction is greater: 3/4 or 3/11? (a) 3/4 (b) They are equal (c) 3/11
  2. 2.1/2 + 2/9 = ? (a) 3/11 (b) 7/9 (c) 2/3 (d) 13/18
  3. 3.What is 2/9 of 108? (a) 12 (b) 36 (c) 84 (d) 24
  4. 4.2/3 + 8/9 = ? (a) 5/6 (b) 14/9 (c) 13/9 (d) 5/3
  5. 5.1/2 + 1/8 = ? (a) 3/4 (b) 1/2 (c) 5/8 (d) 1/5
  6. 6.1/2 + 1/4 = ? (a) 1/2 (b) 1/3 (c) 1 (d) 3/4
  7. 7.3/9 + 2/9 = ? (a) 4/9 (b) 5/9 (c) 2/3 (d) 5/18
  8. 8.What is 2/3 of 27? (a) 18 (b) 27 (c) 9 (d) 19
  9. 9.Which fraction is greater: 1/8 or 7/10? (a) They are equal (b) 1/8 (c) 7/10
  10. 10.What is 3/5 of 10? (a) 4 (b) 8 (c) 2 (d) 6
  11. 11.3/5 + 4/5 = ? (a) 6/5 (b) 7/10 (c) 8/5 (d) 7/5
  12. 12.Which fraction is greater: 5/7 or 1/3? (a) They are equal (b) 1/3 (c) 5/7
  13. 13.Which fraction is greater: 3/4 or 4/9? (a) 3/4 (b) They are equal (c) 4/9
  14. 14.1/2 + 1/2 = ? (a) 3/2 (b) 1/2 (c) 2 (d) 1
  15. 15.What is 8/9 of 81? (a) 81 (b) 9 (c) 72 (d) 73
  16. 16.3/5 + 2/4 = ? (a) 5/9 (b) 21/20 (c) 11/10 (d) 23/20
  17. 17.What is 3/4 of 32? (a) 24 (b) 25 (c) 32 (d) 8
  18. 18.What is 7/9 of 54? (a) 6 (b) 12 (c) 42 (d) 48
  19. 19.4/5 + 3/7 = ? (a) 43/35 (b) 7/12 (c) 6/5 (d) 44/35
  20. 20.What is 3/4 of 20? (a) 20 (b) 5 (c) 16 (d) 15
  21. 21.3/9 + 1/2 = ? (a) 5/6 (b) 8/9 (c) 4/11 (d) 7/9
  22. 22.4/6 + 6/9 = ? (a) 25/18 (b) 2/3 (c) 4/3 (d) 23/18
  23. 23.2/4 + 2/4 = ? (a) 3/4 (b) 1 (c) 1/2 (d) 5/4
  24. 24.Which fraction is greater: 3/4 or 1/12? (a) They are equal (b) 1/12 (c) 3/4
  25. 25.What is 2/7 of 84? (a) 36 (b) 60 (c) 24 (d) 12
  26. 26.Which fraction is greater: 5/9 or 2/5? (a) They are equal (b) 5/9 (c) 2/5
  27. 27.Which fraction is greater: 1/7 or 5/8? (a) 5/8 (b) They are equal (c) 1/7
  28. 28.What is 5/9 of 54? (a) 6 (b) 30 (c) 24 (d) 36
  29. 29.Which fraction is greater: 2/11 or 1/5? (a) 1/5 (b) They are equal (c) 2/11
  30. 30.6/9 + 2/6 = ? (a) 1 (b) 17/18 (c) 8/15 (d) 19/18
  31. 31.Which fraction is greater: 1/3 or 7/11? (a) 1/3 (b) They are equal (c) 7/11
  32. 32.7/9 + 1/3 = ? (a) 1 (b) 11/9 (c) 10/9 (d) 2/3
  33. 33.Which fraction is greater: 5/6 or 10/11? (a) 5/6 (b) They are equal (c) 10/11
  34. 34.5/9 + 2/3 = ? (a) 7/12 (b) 4/3 (c) 10/9 (d) 11/9
  35. 35.1/5 + 4/5 = ? (a) 1 (b) 1/2 (c) 4/5 (d) 6/5
  36. 36.Which fraction is greater: 1/12 or 1/3? (a) They are equal (b) 1/3 (c) 1/12
  37. 37.1/5 + 4/7 = ? (a) 4/5 (b) 26/35 (c) 5/12 (d) 27/35
  38. 38.What is 1/2 of 22? (a) 12 (b) 10 (c) 22 (d) 11
  39. 39.Which fraction is greater: 3/5 or 1/9? (a) 1/9 (b) 3/5 (c) They are equal
  40. 40.What is 1/9 of 81? (a) 72 (b) 9 (c) 10 (d) 18

Answer key

  1. 3/4
  2. 13/18
  3. 24
  4. 14/9
  5. 5/8
  6. 3/4
  7. 5/9
  8. 18
  9. 7/10
  10. 6
  11. 7/5
  12. 5/7
  13. 3/4
  14. 1
  15. 72
  16. 11/10
  17. 24
  18. 42
  19. 43/35
  20. 15
  21. 5/6
  22. 4/3
  23. 1
  24. 3/4
  25. 24
  26. 5/9
  27. 5/8
  28. 30
  29. 1/5
  30. 1
  31. 7/11
  32. 10/9
  33. 10/11
  34. 11/9
  35. 1
  36. 1/3
  37. 27/35
  38. 11
  39. 3/5
  40. 9

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