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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 426 · 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 1/4 of 8? (a) 3 (b) 6 (c) 4 (d) 2
  2. 2.2/7 + 1/4 = ? (a) 1/2 (b) 4/7 (c) 3/11 (d) 15/28
  3. 3.1/2 + 2/8 = ? (a) 7/8 (b) 3/10 (c) 3/4 (d) 5/8
  4. 4.4/6 + 1/5 = ? (a) 13/15 (b) 9/10 (c) 5/6 (d) 5/11
  5. 5.1/2 + 1/8 = ? (a) 1/5 (b) 1/2 (c) 5/8 (d) 3/4
  6. 6.2/4 + 1/3 = ? (a) 3/7 (b) 5/6 (c) 11/12 (d) 3/4
  7. 7.2/4 + 1/5 = ? (a) 13/20 (b) 1/3 (c) 3/4 (d) 7/10
  8. 8.2/7 + 1/3 = ? (a) 2/3 (b) 4/7 (c) 13/21 (d) 3/10
  9. 9.Which fraction is greater: 1/5 or 5/11? (a) 1/5 (b) They are equal (c) 5/11
  10. 10.What is 3/7 of 35? (a) 20 (b) 5 (c) 15 (d) 16
  11. 11.Which fraction is greater: 3/5 or 6/7? (a) 3/5 (b) They are equal (c) 6/7
  12. 12.Which fraction is greater: 1/11 or 2/9? (a) 1/11 (b) They are equal (c) 2/9
  13. 13.Which fraction is greater: 4/5 or 3/10? (a) 4/5 (b) 3/10 (c) They are equal
  14. 14.1/6 + 1/5 = ? (a) 1/3 (b) 2/5 (c) 11/30 (d) 2/11
  15. 15.What is 4/9 of 99? (a) 11 (b) 55 (c) 44 (d) 45
  16. 16.1/3 + 1/2 = ? (a) 5/6 (b) 2/5 (c) 1 (d) 2/3
  17. 17.2/8 + 5/8 = ? (a) 7/16 (b) 7/8 (c) 1 (d) 3/4
  18. 18.What is 7/9 of 45? (a) 10 (b) 35 (c) 5 (d) 40
  19. 19.What is 1/2 of 6? (a) 2 (b) 3 (c) 4 (d) 6
  20. 20.Which fraction is greater: 3/8 or 1/10? (a) 3/8 (b) They are equal (c) 1/10
  21. 21.What is 2/9 of 81? (a) 18 (b) 63 (c) 27 (d) 9
  22. 22.What is 3/5 of 30? (a) 6 (b) 24 (c) 12 (d) 18
  23. 23.1/3 + 1/8 = ? (a) 1/2 (b) 5/12 (c) 11/24 (d) 2/11
  24. 24.3/8 + 1/2 = ? (a) 3/4 (b) 2/5 (c) 1 (d) 7/8
  25. 25.What is 1/6 of 30? (a) 6 (b) 10 (c) 5 (d) 25
  26. 26.1/3 + 3/8 = ? (a) 3/4 (b) 17/24 (c) 4/11 (d) 2/3
  27. 27.2/3 + 1/5 = ? (a) 14/15 (b) 13/15 (c) 4/5 (d) 3/8
  28. 28.What is 2/5 of 45? (a) 19 (b) 18 (c) 9 (d) 27
  29. 29.1/4 + 1/2 = ? (a) 3/4 (b) 1/3 (c) 1 (d) 1/2
  30. 30.What is 1/2 of 16? (a) 9 (b) 16 (c) 7 (d) 8
  31. 31.2/3 + 1/2 = ? (a) 1 (b) 3/5 (c) 7/6 (d) 4/3
  32. 32.Which fraction is greater: 4/5 or 1/8? (a) 4/5 (b) They are equal (c) 1/8
  33. 33.Which fraction is greater: 8/9 or 4/11? (a) 4/11 (b) 8/9 (c) They are equal
  34. 34.What is 1/2 of 10? (a) 10 (b) 6 (c) 4 (d) 5
  35. 35.What is 1/2 of 8? (a) 3 (b) 4 (c) 5 (d) 8
  36. 36.Which fraction is greater: 1/6 or 2/3? (a) 2/3 (b) 1/6 (c) They are equal
  37. 37.Which fraction is greater: 4/11 or 1/3? (a) They are equal (b) 1/3 (c) 4/11
  38. 38.What is 5/7 of 35? (a) 5 (b) 30 (c) 25 (d) 10
  39. 39.What is 2/3 of 18? (a) 13 (b) 18 (c) 12 (d) 6
  40. 40.What is 2/3 of 12? (a) 8 (b) 9 (c) 12 (d) 4

Answer key

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

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