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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 405 · 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. 1.1/2 + 2/7 = ? (a) 5/7 (b) 11/14 (c) 1/3 (d) 6/7
  2. 2.What is 1/2 of 24? (a) 24 (b) 13 (c) 11 (d) 12
  3. 3.1/2 + 1/2 = ? (a) 2 (b) 3/2 (c) 1 (d) 1/2
  4. 4.What is 3/4 of 16? (a) 12 (b) 13 (c) 16 (d) 4
  5. 5.3/6 + 1/5 = ? (a) 11/15 (b) 2/3 (c) 4/11 (d) 7/10
  6. 6.Which fraction is greater: 1/5 or 1/3? (a) 1/3 (b) 1/5 (c) They are equal
  7. 7.Which fraction is greater: 1/3 or 1/5? (a) They are equal (b) 1/5 (c) 1/3
  8. 8.1/7 + 3/4 = ? (a) 13/14 (b) 6/7 (c) 4/11 (d) 25/28
  9. 9.What is 2/3 of 24? (a) 16 (b) 8 (c) 17 (d) 24
  10. 10.Which fraction is greater: 1/4 or 5/8? (a) They are equal (b) 1/4 (c) 5/8
  11. 11.2/5 + 1/2 = ? (a) 9/10 (b) 3/7 (c) 4/5 (d) 1
  12. 12.Which fraction is greater: 4/7 or 7/11? (a) 7/11 (b) 4/7 (c) They are equal
  13. 13.Which fraction is greater: 3/8 or 5/11? (a) 3/8 (b) 5/11 (c) They are equal
  14. 14.6/7 + 3/7 = ? (a) 8/7 (b) 10/7 (c) 9/7 (d) 9/14
  15. 15.What is 1/2 of 6? (a) 3 (b) 2 (c) 4 (d) 6
  16. 16.2/8 + 1/3 = ? (a) 3/11 (b) 7/12 (c) 5/8 (d) 13/24
  17. 17.What is 1/7 of 14? (a) 3 (b) 12 (c) 2 (d) 4
  18. 18.What is 1/4 of 28? (a) 8 (b) 7 (c) 14 (d) 21
  19. 19.Which fraction is greater: 1/7 or 11/12? (a) 1/7 (b) 11/12 (c) They are equal
  20. 20.Which fraction is greater: 5/6 or 1/5? (a) 5/6 (b) They are equal (c) 1/5
  21. 21.Which fraction is greater: 1/3 or 7/12? (a) They are equal (b) 1/3 (c) 7/12
  22. 22.Which fraction is greater: 3/4 or 4/9? (a) They are equal (b) 3/4 (c) 4/9
  23. 23.4/5 + 1/2 = ? (a) 5/7 (b) 6/5 (c) 13/10 (d) 7/5
  24. 24.What is 1/2 of 8? (a) 8 (b) 4 (c) 5 (d) 3
  25. 25.What is 2/3 of 33? (a) 23 (b) 22 (c) 11 (d) 33
  26. 26.What is 2/9 of 81? (a) 63 (b) 27 (c) 9 (d) 18
  27. 27.Which fraction is greater: 2/5 or 1/3? (a) 1/3 (b) They are equal (c) 2/5
  28. 28.Which fraction is greater: 1/4 or 8/9? (a) 8/9 (b) They are equal (c) 1/4
  29. 29.1/2 + 1/6 = ? (a) 1/4 (b) 5/6 (c) 2/3 (d) 1/2
  30. 30.What is 1/9 of 72? (a) 16 (b) 9 (c) 64 (d) 8
  31. 31.2/6 + 1/4 = ? (a) 3/10 (b) 2/3 (c) 7/12 (d) 1/2
  32. 32.Which fraction is greater: 4/11 or 7/8? (a) 4/11 (b) 7/8 (c) They are equal
  33. 33.Which fraction is greater: 1/8 or 2/3? (a) 1/8 (b) They are equal (c) 2/3
  34. 34.What is 1/3 of 9? (a) 4 (b) 6 (c) 3 (d) 2
  35. 35.2/4 + 2/3 = ? (a) 13/12 (b) 4/7 (c) 7/6 (d) 5/4
  36. 36.5/6 + 2/8 = ? (a) 13/12 (b) 9/8 (c) 25/24 (d) 1/2
  37. 37.1/5 + 2/7 = ? (a) 1/4 (b) 17/35 (c) 16/35 (d) 18/35
  38. 38.What is 2/5 of 30? (a) 18 (b) 13 (c) 12 (d) 6
  39. 39.Which fraction is greater: 3/4 or 9/10? (a) 3/4 (b) They are equal (c) 9/10
  40. 40.2/4 + 2/9 = ? (a) 3/4 (b) 25/36 (c) 13/18 (d) 4/13

Answer key

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

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