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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 627 · 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. 1.2/3 + 1/7 = ? (a) 6/7 (b) 3/10 (c) 16/21 (d) 17/21
  2. 2.Which fraction is greater: 7/8 or 4/5? (a) 7/8 (b) They are equal (c) 4/5
  3. 3.What is 8/9 of 36? (a) 4 (b) 33 (c) 36 (d) 32
  4. 4.1/4 + 1/2 = ? (a) 1/3 (b) 1/2 (c) 1 (d) 3/4
  5. 5.1/7 + 1/2 = ? (a) 2/9 (b) 9/14 (c) 4/7 (d) 5/7
  6. 6.What is 1/2 of 8? (a) 4 (b) 5 (c) 3 (d) 8
  7. 7.What is 5/7 of 84? (a) 12 (b) 60 (c) 72 (d) 24
  8. 8.Which fraction is greater: 1/8 or 1/5? (a) 1/8 (b) They are equal (c) 1/5
  9. 9.Which fraction is greater: 1/6 or 3/5? (a) They are equal (b) 1/6 (c) 3/5
  10. 10.6/8 + 1/2 = ? (a) 7/10 (b) 5/4 (c) 11/8 (d) 9/8
  11. 11.What is 3/5 of 20? (a) 4 (b) 8 (c) 16 (d) 12
  12. 12.Which fraction is greater: 3/4 or 4/5? (a) They are equal (b) 3/4 (c) 4/5
  13. 13.Which fraction is greater: 2/5 or 1/8? (a) 1/8 (b) They are equal (c) 2/5
  14. 14.Which fraction is greater: 3/10 or 8/11? (a) 8/11 (b) 3/10 (c) They are equal
  15. 15.What is 2/3 of 12? (a) 12 (b) 4 (c) 9 (d) 8
  16. 16.What is 1/2 of 12? (a) 12 (b) 5 (c) 6 (d) 7
  17. 17.1/2 + 2/8 = ? (a) 3/4 (b) 5/8 (c) 3/10 (d) 7/8
  18. 18.1/4 + 2/3 = ? (a) 3/7 (b) 11/12 (c) 1 (d) 5/6
  19. 19.Which fraction is greater: 4/7 or 1/11? (a) They are equal (b) 4/7 (c) 1/11
  20. 20.Which fraction is greater: 3/4 or 6/11? (a) They are equal (b) 3/4 (c) 6/11
  21. 21.What is 1/2 of 20? (a) 9 (b) 11 (c) 20 (d) 10
  22. 22.Which fraction is greater: 6/11 or 1/5? (a) 6/11 (b) 1/5 (c) They are equal
  23. 23.Which fraction is greater: 1/10 or 3/11? (a) 3/11 (b) They are equal (c) 1/10
  24. 24.5/6 + 7/9 = ? (a) 5/3 (b) 14/9 (c) 4/5 (d) 29/18
  25. 25.Which fraction is greater: 2/3 or 1/4? (a) 1/4 (b) They are equal (c) 2/3
  26. 26.2/4 + 2/9 = ? (a) 13/18 (b) 4/13 (c) 3/4 (d) 25/36
  27. 27.Which fraction is greater: 1/6 or 5/7? (a) 1/6 (b) 5/7 (c) They are equal
  28. 28.1/3 + 4/6 = ? (a) 1 (b) 5/6 (c) 5/9 (d) 7/6
  29. 29.1/2 + 2/7 = ? (a) 1/3 (b) 5/7 (c) 6/7 (d) 11/14
  30. 30.Which fraction is greater: 4/5 or 7/12? (a) 4/5 (b) They are equal (c) 7/12
  31. 31.What is 1/4 of 16? (a) 5 (b) 8 (c) 4 (d) 12
  32. 32.2/4 + 3/6 = ? (a) 13/12 (b) 1 (c) 1/2 (d) 11/12
  33. 33.What is 1/3 of 24? (a) 9 (b) 7 (c) 8 (d) 16
  34. 34.1/5 + 3/4 = ? (a) 4/9 (b) 9/10 (c) 1 (d) 19/20
  35. 35.1/3 + 4/8 = ? (a) 5/6 (b) 5/11 (c) 19/24 (d) 7/8
  36. 36.Which fraction is greater: 7/10 or 1/6? (a) 7/10 (b) 1/6 (c) They are equal
  37. 37.Which fraction is greater: 8/11 or 1/7? (a) 1/7 (b) They are equal (c) 8/11
  38. 38.What is 2/7 of 49? (a) 14 (b) 7 (c) 21 (d) 35
  39. 39.2/9 + 1/2 = ? (a) 3/11 (b) 13/18 (c) 2/3 (d) 7/9
  40. 40.Which fraction is greater: 4/7 or 3/8? (a) They are equal (b) 3/8 (c) 4/7

Answer key

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

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