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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 55 · 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 1/3 of 15? (a) 5 (b) 6 (c) 10 (d) 4
  2. 2.Which fraction is greater: 1/7 or 1/4? (a) 1/7 (b) They are equal (c) 1/4
  3. 3.2/3 + 4/7 = ? (a) 9/7 (b) 26/21 (c) 25/21 (d) 3/5
  4. 4.3/7 + 1/2 = ? (a) 4/9 (b) 1 (c) 13/14 (d) 6/7
  5. 5.Which fraction is greater: 1/9 or 1/12? (a) 1/12 (b) They are equal (c) 1/9
  6. 6.Which fraction is greater: 2/5 or 2/3? (a) 2/3 (b) 2/5 (c) They are equal
  7. 7.What is 2/3 of 9? (a) 3 (b) 9 (c) 7 (d) 6
  8. 8.Which fraction is greater: 6/11 or 1/3? (a) They are equal (b) 1/3 (c) 6/11
  9. 9.What is 3/5 of 15? (a) 12 (b) 6 (c) 9 (d) 3
  10. 10.What is 5/9 of 108? (a) 12 (b) 48 (c) 72 (d) 60
  11. 11.Which fraction is greater: 4/5 or 10/11? (a) 10/11 (b) 4/5 (c) They are equal
  12. 12.1/9 + 2/3 = ? (a) 1/4 (b) 8/9 (c) 2/3 (d) 7/9
  13. 13.2/9 + 1/6 = ? (a) 1/3 (b) 4/9 (c) 1/5 (d) 7/18
  14. 14.1/5 + 1/3 = ? (a) 1/4 (b) 3/5 (c) 7/15 (d) 8/15
  15. 15.1/2 + 4/7 = ? (a) 8/7 (b) 15/14 (c) 1 (d) 5/9
  16. 16.What is 3/4 of 28? (a) 28 (b) 21 (c) 22 (d) 7
  17. 17.What is 2/3 of 21? (a) 7 (b) 21 (c) 15 (d) 14
  18. 18.What is 3/4 of 16? (a) 4 (b) 16 (c) 13 (d) 12
  19. 19.What is 6/7 of 35? (a) 35 (b) 5 (c) 31 (d) 30
  20. 20.Which fraction is greater: 1/3 or 1/5? (a) They are equal (b) 1/3 (c) 1/5
  21. 21.What is 1/2 of 16? (a) 8 (b) 9 (c) 7 (d) 16
  22. 22.5/8 + 2/3 = ? (a) 5/4 (b) 4/3 (c) 7/11 (d) 31/24
  23. 23.2/3 + 2/7 = ? (a) 20/21 (b) 19/21 (c) 1 (d) 2/5
  24. 24.Which fraction is greater: 4/5 or 1/9? (a) 1/9 (b) 4/5 (c) They are equal
  25. 25.Which fraction is greater: 9/10 or 3/4? (a) 9/10 (b) 3/4 (c) They are equal
  26. 26.Which fraction is greater: 1/5 or 5/6? (a) 1/5 (b) 5/6 (c) They are equal
  27. 27.2/4 + 2/3 = ? (a) 13/12 (b) 4/7 (c) 7/6 (d) 5/4
  28. 28.2/3 + 2/3 = ? (a) 5/3 (b) 1 (c) 4/3 (d) 2/3
  29. 29.What is 2/9 of 63? (a) 21 (b) 49 (c) 14 (d) 7
  30. 30.Which fraction is greater: 3/7 or 6/11? (a) They are equal (b) 3/7 (c) 6/11
  31. 31.What is 2/3 of 15? (a) 5 (b) 15 (c) 10 (d) 11
  32. 32.What is 1/4 of 40? (a) 30 (b) 20 (c) 10 (d) 11
  33. 33.2/6 + 3/4 = ? (a) 7/6 (b) 1 (c) 1/2 (d) 13/12
  34. 34.Which fraction is greater: 3/4 or 2/3? (a) They are equal (b) 3/4 (c) 2/3
  35. 35.Which fraction is greater: 2/3 or 1/5? (a) They are equal (b) 1/5 (c) 2/3
  36. 36.Which fraction is greater: 1/5 or 1/4? (a) 1/5 (b) 1/4 (c) They are equal
  37. 37.Which fraction is greater: 3/8 or 3/4? (a) 3/8 (b) They are equal (c) 3/4
  38. 38.Which fraction is greater: 5/8 or 5/7? (a) They are equal (b) 5/7 (c) 5/8
  39. 39.Which fraction is greater: 3/8 or 4/5? (a) They are equal (b) 3/8 (c) 4/5
  40. 40.Which fraction is greater: 3/10 or 1/8? (a) 3/10 (b) They are equal (c) 1/8

Answer key

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

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