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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 254 · 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 6? (a) 1 (b) 4 (c) 2 (d) 3
  2. 2.Which fraction is greater: 2/5 or 3/7? (a) 3/7 (b) 2/5 (c) They are equal
  3. 3.Which fraction is greater: 7/11 or 2/3? (a) 7/11 (b) 2/3 (c) They are equal
  4. 4.Which fraction is greater: 2/3 or 3/4? (a) 2/3 (b) 3/4 (c) They are equal
  5. 5.What is 1/3 of 9? (a) 2 (b) 4 (c) 3 (d) 6
  6. 6.5/7 + 1/2 = ? (a) 9/7 (b) 2/3 (c) 8/7 (d) 17/14
  7. 7.What is 4/5 of 15? (a) 15 (b) 12 (c) 13 (d) 3
  8. 8.1/3 + 5/8 = ? (a) 11/12 (b) 6/11 (c) 23/24 (d) 1
  9. 9.What is 1/2 of 10? (a) 10 (b) 6 (c) 5 (d) 4
  10. 10.Which fraction is greater: 9/11 or 2/5? (a) 2/5 (b) They are equal (c) 9/11
  11. 11.1/9 + 2/3 = ? (a) 8/9 (b) 1/4 (c) 7/9 (d) 2/3
  12. 12.2/3 + 2/5 = ? (a) 17/15 (b) 1/2 (c) 16/15 (d) 1
  13. 13.What is 2/3 of 33? (a) 33 (b) 11 (c) 22 (d) 23
  14. 14.What is 1/6 of 66? (a) 55 (b) 22 (c) 11 (d) 12
  15. 15.Which fraction is greater: 3/5 or 1/8? (a) They are equal (b) 1/8 (c) 3/5
  16. 16.What is 1/3 of 21? (a) 8 (b) 6 (c) 14 (d) 7
  17. 17.Which fraction is greater: 6/7 or 3/4? (a) They are equal (b) 3/4 (c) 6/7
  18. 18.What is 1/3 of 15? (a) 10 (b) 5 (c) 4 (d) 6
  19. 19.Which fraction is greater: 4/11 or 3/4? (a) 4/11 (b) They are equal (c) 3/4
  20. 20.What is 1/2 of 14? (a) 6 (b) 8 (c) 7 (d) 14
  21. 21.2/9 + 1/2 = ? (a) 2/3 (b) 13/18 (c) 3/11 (d) 7/9
  22. 22.Which fraction is greater: 3/4 or 3/5? (a) 3/5 (b) 3/4 (c) They are equal
  23. 23.3/8 + 5/8 = ? (a) 1/2 (b) 9/8 (c) 7/8 (d) 1
  24. 24.2/3 + 3/6 = ? (a) 1 (b) 7/6 (c) 5/9 (d) 4/3
  25. 25.Which fraction is greater: 4/9 or 8/11? (a) 4/9 (b) They are equal (c) 8/11
  26. 26.1/3 + 5/7 = ? (a) 3/5 (b) 1 (c) 22/21 (d) 23/21
  27. 27.What is 1/3 of 27? (a) 9 (b) 10 (c) 18 (d) 8
  28. 28.What is 1/2 of 6? (a) 2 (b) 6 (c) 4 (d) 3
  29. 29.What is 3/4 of 12? (a) 3 (b) 9 (c) 10 (d) 12
  30. 30.Which fraction is greater: 1/3 or 7/11? (a) They are equal (b) 7/11 (c) 1/3
  31. 31.What is 2/9 of 36? (a) 8 (b) 12 (c) 28 (d) 4
  32. 32.What is 3/4 of 16? (a) 16 (b) 12 (c) 13 (d) 4
  33. 33.What is 1/2 of 22? (a) 10 (b) 11 (c) 12 (d) 22
  34. 34.What is 4/5 of 35? (a) 35 (b) 7 (c) 29 (d) 28
  35. 35.What is 1/3 of 18? (a) 12 (b) 7 (c) 6 (d) 5
  36. 36.Which fraction is greater: 1/10 or 2/5? (a) 2/5 (b) They are equal (c) 1/10
  37. 37.Which fraction is greater: 4/5 or 1/3? (a) 4/5 (b) 1/3 (c) They are equal
  38. 38.3/7 + 1/3 = ? (a) 16/21 (b) 17/21 (c) 5/7 (d) 2/5
  39. 39.Which fraction is greater: 1/3 or 7/8? (a) They are equal (b) 1/3 (c) 7/8
  40. 40.Which fraction is greater: 1/4 or 1/3? (a) 1/4 (b) They are equal (c) 1/3

Answer key

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

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