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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 474 · 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 5/9 of 54? (a) 36 (b) 6 (c) 24 (d) 30
  2. 2.Which fraction is greater: 4/5 or 7/8? (a) They are equal (b) 4/5 (c) 7/8
  3. 3.2/4 + 1/4 = ? (a) 3/8 (b) 1 (c) 1/2 (d) 3/4
  4. 4.Which fraction is greater: 2/5 or 3/4? (a) 3/4 (b) 2/5 (c) They are equal
  5. 5.Which fraction is greater: 1/5 or 7/8? (a) 1/5 (b) 7/8 (c) They are equal
  6. 6.2/4 + 1/2 = ? (a) 3/4 (b) 1/2 (c) 5/4 (d) 1
  7. 7.Which fraction is greater: 2/5 or 1/3? (a) 1/3 (b) 2/5 (c) They are equal
  8. 8.Which fraction is greater: 7/11 or 1/3? (a) 7/11 (b) They are equal (c) 1/3
  9. 9.Which fraction is greater: 8/9 or 3/8? (a) 3/8 (b) They are equal (c) 8/9
  10. 10.Which fraction is greater: 1/6 or 7/12? (a) They are equal (b) 7/12 (c) 1/6
  11. 11.8/9 + 2/4 = ? (a) 10/13 (b) 49/36 (c) 17/12 (d) 25/18
  12. 12.Which fraction is greater: 1/5 or 2/3? (a) They are equal (b) 2/3 (c) 1/5
  13. 13.Which fraction is greater: 3/10 or 2/3? (a) They are equal (b) 3/10 (c) 2/3
  14. 14.7/9 + 4/6 = ? (a) 3/2 (b) 25/18 (c) 11/15 (d) 13/9
  15. 15.3/7 + 1/4 = ? (a) 4/11 (b) 19/28 (c) 5/7 (d) 9/14
  16. 16.Which fraction is greater: 1/7 or 2/5? (a) 2/5 (b) They are equal (c) 1/7
  17. 17.2/9 + 3/6 = ? (a) 2/3 (b) 13/18 (c) 1/3 (d) 7/9
  18. 18.5/8 + 5/6 = ? (a) 5/7 (b) 3/2 (c) 35/24 (d) 17/12
  19. 19.1/7 + 2/7 = ? (a) 3/7 (b) 2/7 (c) 3/14 (d) 4/7
  20. 20.What is 1/5 of 45? (a) 10 (b) 36 (c) 18 (d) 9
  21. 21.1/2 + 5/8 = ? (a) 5/4 (b) 9/8 (c) 1 (d) 3/5
  22. 22.Which fraction is greater: 1/7 or 1/3? (a) They are equal (b) 1/3 (c) 1/7
  23. 23.What is 6/7 of 77? (a) 77 (b) 66 (c) 11 (d) 67
  24. 24.What is 1/2 of 20? (a) 20 (b) 11 (c) 10 (d) 9
  25. 25.1/5 + 2/5 = ? (a) 3/5 (b) 3/10 (c) 2/5 (d) 4/5
  26. 26.What is 5/8 of 24? (a) 18 (b) 15 (c) 9 (d) 3
  27. 27.Which fraction is greater: 1/9 or 6/7? (a) They are equal (b) 6/7 (c) 1/9
  28. 28.6/7 + 2/7 = ? (a) 1 (b) 4/7 (c) 8/7 (d) 9/7
  29. 29.1/2 + 3/6 = ? (a) 7/6 (b) 1 (c) 1/2 (d) 5/6
  30. 30.What is 1/9 of 63? (a) 8 (b) 56 (c) 14 (d) 7
  31. 31.Which fraction is greater: 7/8 or 2/3? (a) They are equal (b) 2/3 (c) 7/8
  32. 32.4/5 + 5/6 = ? (a) 8/5 (b) 5/3 (c) 9/11 (d) 49/30
  33. 33.What is 2/3 of 21? (a) 7 (b) 21 (c) 15 (d) 14
  34. 34.1/3 + 1/3 = ? (a) 4/3 (b) 1/3 (c) 1 (d) 2/3
  35. 35.6/7 + 1/4 = ? (a) 31/28 (b) 7/11 (c) 15/14 (d) 8/7
  36. 36.2/3 + 4/9 = ? (a) 11/9 (b) 1/2 (c) 10/9 (d) 1
  37. 37.Which fraction is greater: 5/9 or 3/4? (a) They are equal (b) 5/9 (c) 3/4
  38. 38.Which fraction is greater: 2/5 or 5/12? (a) They are equal (b) 5/12 (c) 2/5
  39. 39.Which fraction is greater: 5/6 or 5/7? (a) They are equal (b) 5/6 (c) 5/7
  40. 40.2/4 + 2/4 = ? (a) 1/2 (b) 3/4 (c) 1 (d) 5/4

Answer key

  1. 30
  2. 7/8
  3. 3/4
  4. 3/4
  5. 7/8
  6. 1
  7. 2/5
  8. 7/11
  9. 8/9
  10. 7/12
  11. 25/18
  12. 2/3
  13. 2/3
  14. 13/9
  15. 19/28
  16. 2/5
  17. 13/18
  18. 35/24
  19. 3/7
  20. 9
  21. 9/8
  22. 1/3
  23. 66
  24. 10
  25. 3/5
  26. 15
  27. 6/7
  28. 8/7
  29. 1
  30. 7
  31. 7/8
  32. 49/30
  33. 14
  34. 2/3
  35. 31/28
  36. 10/9
  37. 3/4
  38. 5/12
  39. 5/6
  40. 1

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