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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 231 · 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 2/3 of 9? (a) 9 (b) 7 (c) 3 (d) 6
  2. 2.2/3 + 1/2 = ? (a) 3/5 (b) 4/3 (c) 1 (d) 7/6
  3. 3.What is 2/7 of 14? (a) 4 (b) 6 (c) 10 (d) 2
  4. 4.What is 2/5 of 20? (a) 8 (b) 12 (c) 4 (d) 9
  5. 5.What is 2/3 of 12? (a) 9 (b) 4 (c) 8 (d) 12
  6. 6.2/9 + 2/4 = ? (a) 3/4 (b) 4/13 (c) 13/18 (d) 25/36
  7. 7.What is 7/8 of 80? (a) 70 (b) 71 (c) 10 (d) 80
  8. 8.2/4 + 3/7 = ? (a) 25/28 (b) 13/14 (c) 5/11 (d) 27/28
  9. 9.Which fraction is greater: 2/3 or 8/9? (a) They are equal (b) 2/3 (c) 8/9
  10. 10.4/7 + 1/2 = ? (a) 8/7 (b) 15/14 (c) 5/9 (d) 1
  11. 11.Which fraction is greater: 1/5 or 4/11? (a) They are equal (b) 4/11 (c) 1/5
  12. 12.Which fraction is greater: 7/12 or 1/5? (a) 1/5 (b) 7/12 (c) They are equal
  13. 13.What is 2/5 of 55? (a) 23 (b) 33 (c) 11 (d) 22
  14. 14.Which fraction is greater: 5/11 or 3/5? (a) 3/5 (b) 5/11 (c) They are equal
  15. 15.What is 3/7 of 14? (a) 7 (b) 8 (c) 6 (d) 2
  16. 16.What is 3/4 of 8? (a) 7 (b) 2 (c) 6 (d) 8
  17. 17.What is 1/7 of 77? (a) 22 (b) 12 (c) 66 (d) 11
  18. 18.Which fraction is greater: 1/3 or 1/5? (a) 1/5 (b) They are equal (c) 1/3
  19. 19.Which fraction is greater: 3/8 or 4/5? (a) 4/5 (b) 3/8 (c) They are equal
  20. 20.What is 3/4 of 20? (a) 20 (b) 5 (c) 15 (d) 16
  21. 21.Which fraction is greater: 8/9 or 1/4? (a) They are equal (b) 1/4 (c) 8/9
  22. 22.7/8 + 1/3 = ? (a) 7/6 (b) 8/11 (c) 5/4 (d) 29/24
  23. 23.Which fraction is greater: 1/4 or 1/5? (a) 1/5 (b) They are equal (c) 1/4
  24. 24.Which fraction is greater: 6/7 or 4/5? (a) 6/7 (b) They are equal (c) 4/5
  25. 25.1/2 + 3/9 = ? (a) 8/9 (b) 4/11 (c) 7/9 (d) 5/6
  26. 26.1/6 + 2/5 = ? (a) 8/15 (b) 3/11 (c) 3/5 (d) 17/30
  27. 27.Which fraction is greater: 10/11 or 1/4? (a) 1/4 (b) 10/11 (c) They are equal
  28. 28.Which fraction is greater: 9/11 or 1/10? (a) 1/10 (b) They are equal (c) 9/11
  29. 29.Which fraction is greater: 1/6 or 1/11? (a) 1/6 (b) They are equal (c) 1/11
  30. 30.Which fraction is greater: 1/4 or 2/3? (a) 2/3 (b) 1/4 (c) They are equal
  31. 31.1/2 + 1/2 = ? (a) 1/2 (b) 2 (c) 1 (d) 3/2
  32. 32.Which fraction is greater: 2/9 or 2/7? (a) They are equal (b) 2/7 (c) 2/9
  33. 33.What is 1/2 of 20? (a) 11 (b) 10 (c) 20 (d) 9
  34. 34.Which fraction is greater: 2/5 or 3/4? (a) They are equal (b) 2/5 (c) 3/4
  35. 35.Which fraction is greater: 7/12 or 1/4? (a) 7/12 (b) They are equal (c) 1/4
  36. 36.Which fraction is greater: 7/12 or 4/5? (a) 4/5 (b) They are equal (c) 7/12
  37. 37.3/8 + 5/6 = ? (a) 5/4 (b) 29/24 (c) 4/7 (d) 7/6
  38. 38.Which fraction is greater: 1/3 or 1/4? (a) 1/3 (b) 1/4 (c) They are equal
  39. 39.What is 2/3 of 27? (a) 19 (b) 18 (c) 27 (d) 9
  40. 40.Which fraction is greater: 1/10 or 5/7? (a) They are equal (b) 5/7 (c) 1/10

Answer key

  1. 6
  2. 7/6
  3. 4
  4. 8
  5. 8
  6. 13/18
  7. 70
  8. 13/14
  9. 8/9
  10. 15/14
  11. 4/11
  12. 7/12
  13. 22
  14. 3/5
  15. 6
  16. 6
  17. 11
  18. 1/3
  19. 4/5
  20. 15
  21. 8/9
  22. 29/24
  23. 1/4
  24. 6/7
  25. 5/6
  26. 17/30
  27. 10/11
  28. 9/11
  29. 1/6
  30. 2/3
  31. 1
  32. 2/7
  33. 10
  34. 3/4
  35. 7/12
  36. 4/5
  37. 29/24
  38. 1/3
  39. 18
  40. 5/7

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