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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 991 · 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.Which fraction is greater: 1/4 or 6/11? (a) 1/4 (b) They are equal (c) 6/11
  2. 2.Which fraction is greater: 6/11 or 3/5? (a) 3/5 (b) They are equal (c) 6/11
  3. 3.2/3 + 2/5 = ? (a) 16/15 (b) 1 (c) 1/2 (d) 17/15
  4. 4.Which fraction is greater: 2/5 or 8/9? (a) They are equal (b) 2/5 (c) 8/9
  5. 5.What is 2/5 of 20? (a) 12 (b) 8 (c) 4 (d) 9
  6. 6.What is 5/6 of 72? (a) 72 (b) 61 (c) 12 (d) 60
  7. 7.Which fraction is greater: 1/4 or 4/7? (a) 1/4 (b) They are equal (c) 4/7
  8. 8.4/5 + 1/4 = ? (a) 5/9 (b) 11/10 (c) 21/20 (d) 1
  9. 9.Which fraction is greater: 7/10 or 1/3? (a) They are equal (b) 7/10 (c) 1/3
  10. 10.1/3 + 3/4 = ? (a) 7/6 (b) 1 (c) 13/12 (d) 4/7
  11. 11.Which fraction is greater: 3/10 or 3/11? (a) They are equal (b) 3/11 (c) 3/10
  12. 12.3/8 + 1/2 = ? (a) 1 (b) 2/5 (c) 3/4 (d) 7/8
  13. 13.Which fraction is greater: 1/3 or 4/5? (a) They are equal (b) 1/3 (c) 4/5
  14. 14.What is 4/5 of 10? (a) 9 (b) 10 (c) 2 (d) 8
  15. 15.What is 4/9 of 54? (a) 6 (b) 25 (c) 30 (d) 24
  16. 16.1/2 + 2/3 = ? (a) 7/6 (b) 3/5 (c) 1 (d) 4/3
  17. 17.What is 3/4 of 20? (a) 16 (b) 15 (c) 20 (d) 5
  18. 18.What is 1/7 of 49? (a) 14 (b) 8 (c) 7 (d) 42
  19. 19.Which fraction is greater: 1/6 or 4/5? (a) They are equal (b) 1/6 (c) 4/5
  20. 20.2/4 + 4/6 = ? (a) 7/6 (b) 13/12 (c) 5/4 (d) 3/5
  21. 21.1/6 + 1/4 = ? (a) 1/5 (b) 1/3 (c) 5/12 (d) 1/2
  22. 22.What is 6/7 of 63? (a) 54 (b) 55 (c) 63 (d) 9
  23. 23.1/2 + 1/2 = ? (a) 1 (b) 3/2 (c) 2 (d) 1/2
  24. 24.Which fraction is greater: 1/4 or 2/9? (a) 2/9 (b) They are equal (c) 1/4
  25. 25.What is 1/2 of 16? (a) 8 (b) 9 (c) 16 (d) 7
  26. 26.Which fraction is greater: 2/5 or 7/8? (a) They are equal (b) 2/5 (c) 7/8
  27. 27.Which fraction is greater: 5/8 or 5/11? (a) 5/8 (b) They are equal (c) 5/11
  28. 28.Which fraction is greater: 7/8 or 4/5? (a) 4/5 (b) They are equal (c) 7/8
  29. 29.What is 1/4 of 20? (a) 5 (b) 10 (c) 6 (d) 15
  30. 30.3/4 + 5/8 = ? (a) 2/3 (b) 5/4 (c) 3/2 (d) 11/8
  31. 31.Which fraction is greater: 5/6 or 2/3? (a) 2/3 (b) 5/6 (c) They are equal
  32. 32.Which fraction is greater: 2/3 or 3/5? (a) They are equal (b) 3/5 (c) 2/3
  33. 33.What is 5/8 of 32? (a) 24 (b) 12 (c) 20 (d) 4
  34. 34.What is 5/8 of 56? (a) 42 (b) 7 (c) 21 (d) 35
  35. 35.Which fraction is greater: 3/5 or 2/3? (a) 3/5 (b) 2/3 (c) They are equal
  36. 36.4/5 + 1/2 = ? (a) 5/7 (b) 7/5 (c) 13/10 (d) 6/5
  37. 37.What is 8/9 of 45? (a) 45 (b) 41 (c) 5 (d) 40
  38. 38.Which fraction is greater: 4/7 or 1/3? (a) They are equal (b) 1/3 (c) 4/7
  39. 39.2/9 + 4/6 = ? (a) 2/5 (b) 8/9 (c) 17/18 (d) 5/6
  40. 40.Which fraction is greater: 5/6 or 1/3? (a) They are equal (b) 5/6 (c) 1/3

Answer key

  1. 6/11
  2. 3/5
  3. 16/15
  4. 8/9
  5. 8
  6. 60
  7. 4/7
  8. 21/20
  9. 7/10
  10. 13/12
  11. 3/10
  12. 7/8
  13. 4/5
  14. 8
  15. 24
  16. 7/6
  17. 15
  18. 7
  19. 4/5
  20. 7/6
  21. 5/12
  22. 54
  23. 1
  24. 1/4
  25. 8
  26. 7/8
  27. 5/8
  28. 7/8
  29. 5
  30. 11/8
  31. 5/6
  32. 2/3
  33. 20
  34. 35
  35. 2/3
  36. 13/10
  37. 40
  38. 4/7
  39. 8/9
  40. 5/6

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