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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 546 · 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: 1/4 or 1/5? (a) 1/5 (b) 1/4 (c) They are equal
  2. 2.1/9 + 1/4 = ? (a) 7/18 (b) 13/36 (c) 1/3 (d) 2/13
  3. 3.Which fraction is greater: 3/4 or 1/10? (a) 1/10 (b) 3/4 (c) They are equal
  4. 4.What is 1/7 of 49? (a) 8 (b) 42 (c) 7 (d) 14
  5. 5.Which fraction is greater: 5/11 or 2/3? (a) 5/11 (b) 2/3 (c) They are equal
  6. 6.1/2 + 3/6 = ? (a) 1 (b) 5/6 (c) 1/2 (d) 7/6
  7. 7.Which fraction is greater: 2/9 or 11/12? (a) They are equal (b) 2/9 (c) 11/12
  8. 8.Which fraction is greater: 1/6 or 3/5? (a) They are equal (b) 1/6 (c) 3/5
  9. 9.1/2 + 3/4 = ? (a) 2/3 (b) 1 (c) 3/2 (d) 5/4
  10. 10.2/3 + 1/2 = ? (a) 1 (b) 7/6 (c) 3/5 (d) 4/3
  11. 11.Which fraction is greater: 6/7 or 1/8? (a) They are equal (b) 6/7 (c) 1/8
  12. 12.What is 1/8 of 64? (a) 9 (b) 56 (c) 16 (d) 8
  13. 13.Which fraction is greater: 1/3 or 6/7? (a) 1/3 (b) 6/7 (c) They are equal
  14. 14.What is 2/3 of 21? (a) 21 (b) 7 (c) 14 (d) 15
  15. 15.What is 1/8 of 56? (a) 14 (b) 7 (c) 49 (d) 8
  16. 16.What is 5/9 of 108? (a) 48 (b) 60 (c) 72 (d) 12
  17. 17.What is 3/8 of 24? (a) 3 (b) 15 (c) 9 (d) 12
  18. 18.Which fraction is greater: 5/9 or 2/5? (a) They are equal (b) 5/9 (c) 2/5
  19. 19.4/6 + 4/6 = ? (a) 7/6 (b) 2/3 (c) 4/3 (d) 3/2
  20. 20.What is 2/3 of 30? (a) 21 (b) 30 (c) 20 (d) 10
  21. 21.1/2 + 1/6 = ? (a) 2/3 (b) 1/2 (c) 1/4 (d) 5/6
  22. 22.Which fraction is greater: 2/3 or 3/5? (a) They are equal (b) 2/3 (c) 3/5
  23. 23.What is 1/7 of 21? (a) 4 (b) 3 (c) 6 (d) 18
  24. 24.1/3 + 4/5 = ? (a) 17/15 (b) 5/8 (c) 16/15 (d) 6/5
  25. 25.What is 1/2 of 6? (a) 6 (b) 4 (c) 3 (d) 2
  26. 26.3/9 + 1/2 = ? (a) 8/9 (b) 4/11 (c) 7/9 (d) 5/6
  27. 27.What is 1/3 of 27? (a) 10 (b) 8 (c) 9 (d) 18
  28. 28.What is 1/2 of 24? (a) 13 (b) 11 (c) 12 (d) 24
  29. 29.What is 2/7 of 28? (a) 12 (b) 8 (c) 4 (d) 20
  30. 30.What is 7/9 of 54? (a) 48 (b) 42 (c) 6 (d) 12
  31. 31.2/8 + 1/6 = ? (a) 11/24 (b) 5/12 (c) 3/8 (d) 3/14
  32. 32.1/2 + 2/6 = ? (a) 3/8 (b) 2/3 (c) 5/6 (d) 1
  33. 33.What is 4/9 of 99? (a) 55 (b) 45 (c) 44 (d) 11
  34. 34.Which fraction is greater: 1/4 or 5/8? (a) 1/4 (b) 5/8 (c) They are equal
  35. 35.What is 1/3 of 24? (a) 9 (b) 16 (c) 8 (d) 7
  36. 36.What is 3/7 of 84? (a) 48 (b) 37 (c) 36 (d) 12
  37. 37.1/5 + 2/4 = ? (a) 1/3 (b) 13/20 (c) 3/4 (d) 7/10
  38. 38.What is 1/2 of 4? (a) 2 (b) 4 (c) 1 (d) 3
  39. 39.8/9 + 2/6 = ? (a) 2/3 (b) 11/9 (c) 23/18 (d) 7/6
  40. 40.5/6 + 1/9 = ? (a) 1 (b) 8/9 (c) 17/18 (d) 2/5

Answer key

  1. 1/4
  2. 13/36
  3. 3/4
  4. 7
  5. 2/3
  6. 1
  7. 11/12
  8. 3/5
  9. 5/4
  10. 7/6
  11. 6/7
  12. 8
  13. 6/7
  14. 14
  15. 7
  16. 60
  17. 9
  18. 5/9
  19. 4/3
  20. 20
  21. 2/3
  22. 2/3
  23. 3
  24. 17/15
  25. 3
  26. 5/6
  27. 9
  28. 12
  29. 8
  30. 42
  31. 5/12
  32. 5/6
  33. 44
  34. 5/8
  35. 8
  36. 36
  37. 7/10
  38. 2
  39. 11/9
  40. 17/18

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