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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 237 · 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 12? (a) 6 (b) 9 (c) 4 (d) 3
  2. 2.2/3 + 1/4 = ? (a) 3/7 (b) 1 (c) 5/6 (d) 11/12
  3. 3.Which fraction is greater: 1/5 or 2/3? (a) 1/5 (b) They are equal (c) 2/3
  4. 4.What is 1/4 of 40? (a) 20 (b) 11 (c) 10 (d) 30
  5. 5.1/3 + 4/8 = ? (a) 5/11 (b) 7/8 (c) 19/24 (d) 5/6
  6. 6.What is 1/6 of 24? (a) 5 (b) 20 (c) 8 (d) 4
  7. 7.What is 2/5 of 50? (a) 30 (b) 21 (c) 20 (d) 10
  8. 8.What is 3/8 of 40? (a) 15 (b) 25 (c) 20 (d) 5
  9. 9.What is 2/5 of 10? (a) 4 (b) 6 (c) 5 (d) 2
  10. 10.What is 1/3 of 12? (a) 8 (b) 5 (c) 4 (d) 3
  11. 11.2/4 + 4/7 = ? (a) 29/28 (b) 15/14 (c) 6/11 (d) 31/28
  12. 12.Which fraction is greater: 5/11 or 7/8? (a) 5/11 (b) 7/8 (c) They are equal
  13. 13.Which fraction is greater: 5/11 or 2/3? (a) They are equal (b) 2/3 (c) 5/11
  14. 14.What is 1/6 of 30? (a) 5 (b) 6 (c) 10 (d) 25
  15. 15.What is 1/3 of 21? (a) 6 (b) 7 (c) 8 (d) 14
  16. 16.What is 4/7 of 28? (a) 16 (b) 4 (c) 20 (d) 12
  17. 17.What is 5/9 of 54? (a) 24 (b) 6 (c) 30 (d) 36
  18. 18.Which fraction is greater: 1/3 or 4/7? (a) 4/7 (b) 1/3 (c) They are equal
  19. 19.5/6 + 2/4 = ? (a) 5/4 (b) 7/10 (c) 4/3 (d) 17/12
  20. 20.2/3 + 2/3 = ? (a) 2/3 (b) 1 (c) 4/3 (d) 5/3
  21. 21.Which fraction is greater: 1/3 or 5/8? (a) 1/3 (b) They are equal (c) 5/8
  22. 22.Which fraction is greater: 1/12 or 2/11? (a) They are equal (b) 1/12 (c) 2/11
  23. 23.Which fraction is greater: 4/5 or 2/3? (a) 2/3 (b) They are equal (c) 4/5
  24. 24.1/3 + 1/2 = ? (a) 2/5 (b) 1 (c) 2/3 (d) 5/6
  25. 25.What is 1/2 of 6? (a) 4 (b) 2 (c) 3 (d) 6
  26. 26.Which fraction is greater: 7/12 or 9/11? (a) 9/11 (b) 7/12 (c) They are equal
  27. 27.What is 1/2 of 18? (a) 8 (b) 18 (c) 9 (d) 10
  28. 28.What is 3/4 of 20? (a) 16 (b) 5 (c) 20 (d) 15
  29. 29.Which fraction is greater: 7/9 or 7/11? (a) They are equal (b) 7/11 (c) 7/9
  30. 30.1/2 + 2/4 = ? (a) 5/4 (b) 3/4 (c) 1 (d) 1/2
  31. 31.7/9 + 1/9 = ? (a) 7/9 (b) 8/9 (c) 4/9 (d) 1
  32. 32.2/8 + 3/8 = ? (a) 3/4 (b) 5/8 (c) 5/16 (d) 1/2
  33. 33.1/5 + 4/6 = ? (a) 13/15 (b) 5/6 (c) 9/10 (d) 5/11
  34. 34.What is 4/5 of 45? (a) 45 (b) 36 (c) 37 (d) 9
  35. 35.1/2 + 3/5 = ? (a) 4/7 (b) 11/10 (c) 6/5 (d) 1
  36. 36.What is 1/2 of 14? (a) 8 (b) 14 (c) 6 (d) 7
  37. 37.What is 1/2 of 24? (a) 24 (b) 13 (c) 12 (d) 11
  38. 38.Which fraction is greater: 2/3 or 9/10? (a) They are equal (b) 2/3 (c) 9/10
  39. 39.1/4 + 3/9 = ? (a) 5/9 (b) 4/13 (c) 11/18 (d) 7/12
  40. 40.1/3 + 3/4 = ? (a) 13/12 (b) 7/6 (c) 1 (d) 4/7

Answer key

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

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