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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 785 · 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: 3/10 or 1/6? (a) 3/10 (b) They are equal (c) 1/6
  2. 2.What is 1/4 of 36? (a) 9 (b) 27 (c) 18 (d) 10
  3. 3.What is 3/8 of 32? (a) 4 (b) 20 (c) 16 (d) 12
  4. 4.Which fraction is greater: 4/5 or 7/11? (a) 7/11 (b) They are equal (c) 4/5
  5. 5.Which fraction is greater: 5/6 or 1/4? (a) They are equal (b) 1/4 (c) 5/6
  6. 6.1/9 + 2/6 = ? (a) 1/5 (b) 7/18 (c) 4/9 (d) 1/2
  7. 7.1/3 + 1/4 = ? (a) 2/7 (b) 7/12 (c) 2/3 (d) 1/2
  8. 8.Which fraction is greater: 9/10 or 2/7? (a) 2/7 (b) They are equal (c) 9/10
  9. 9.2/4 + 5/8 = ? (a) 1 (b) 9/8 (c) 7/12 (d) 5/4
  10. 10.Which fraction is greater: 1/6 or 10/11? (a) 10/11 (b) 1/6 (c) They are equal
  11. 11.Which fraction is greater: 3/5 or 5/8? (a) 3/5 (b) 5/8 (c) They are equal
  12. 12.3/6 + 4/6 = ? (a) 4/3 (b) 1 (c) 7/6 (d) 7/12
  13. 13.Which fraction is greater: 4/5 or 1/12? (a) 4/5 (b) 1/12 (c) They are equal
  14. 14.What is 1/4 of 20? (a) 6 (b) 5 (c) 10 (d) 15
  15. 15.5/7 + 2/5 = ? (a) 7/12 (b) 39/35 (c) 8/7 (d) 38/35
  16. 16.What is 5/7 of 14? (a) 12 (b) 10 (c) 4 (d) 2
  17. 17.What is 5/7 of 28? (a) 8 (b) 4 (c) 24 (d) 20
  18. 18.What is 2/5 of 30? (a) 6 (b) 13 (c) 18 (d) 12
  19. 19.2/4 + 7/9 = ? (a) 5/4 (b) 23/18 (c) 9/13 (d) 47/36
  20. 20.What is 1/2 of 14? (a) 14 (b) 7 (c) 8 (d) 6
  21. 21.5/9 + 1/2 = ? (a) 6/11 (b) 1 (c) 10/9 (d) 19/18
  22. 22.4/7 + 2/3 = ? (a) 25/21 (b) 9/7 (c) 26/21 (d) 3/5
  23. 23.What is 2/3 of 15? (a) 11 (b) 15 (c) 10 (d) 5
  24. 24.Which fraction is greater: 1/5 or 5/7? (a) They are equal (b) 1/5 (c) 5/7
  25. 25.Which fraction is greater: 4/5 or 3/4? (a) They are equal (b) 4/5 (c) 3/4
  26. 26.What is 5/6 of 72? (a) 72 (b) 61 (c) 12 (d) 60
  27. 27.1/4 + 3/5 = ? (a) 4/5 (b) 4/9 (c) 17/20 (d) 9/10
  28. 28.Which fraction is greater: 1/3 or 1/5? (a) They are equal (b) 1/3 (c) 1/5
  29. 29.Which fraction is greater: 3/4 or 1/3? (a) They are equal (b) 3/4 (c) 1/3
  30. 30.What is 1/2 of 8? (a) 5 (b) 3 (c) 8 (d) 4
  31. 31.Which fraction is greater: 2/5 or 5/8? (a) 5/8 (b) 2/5 (c) They are equal
  32. 32.Which fraction is greater: 9/10 or 7/9? (a) 9/10 (b) They are equal (c) 7/9
  33. 33.Which fraction is greater: 2/7 or 7/9? (a) 7/9 (b) 2/7 (c) They are equal
  34. 34.Which fraction is greater: 3/4 or 5/9? (a) 5/9 (b) 3/4 (c) They are equal
  35. 35.1/2 + 1/2 = ? (a) 1/2 (b) 1 (c) 3/2 (d) 2
  36. 36.Which fraction is greater: 7/8 or 1/4? (a) 7/8 (b) They are equal (c) 1/4
  37. 37.What is 1/5 of 55? (a) 22 (b) 12 (c) 44 (d) 11
  38. 38.What is 1/3 of 21? (a) 6 (b) 14 (c) 8 (d) 7
  39. 39.What is 1/9 of 108? (a) 24 (b) 13 (c) 96 (d) 12
  40. 40.What is 1/3 of 27? (a) 8 (b) 9 (c) 10 (d) 18

Answer key

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

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