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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 500 · 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 8/9 of 45? (a) 40 (b) 41 (c) 45 (d) 5
  2. 2.1/4 + 2/3 = ? (a) 5/6 (b) 3/7 (c) 1 (d) 11/12
  3. 3.8/9 + 3/9 = ? (a) 4/3 (b) 11/9 (c) 11/18 (d) 10/9
  4. 4.Which fraction is greater: 1/5 or 5/6? (a) 5/6 (b) 1/5 (c) They are equal
  5. 5.What is 4/5 of 10? (a) 10 (b) 8 (c) 9 (d) 2
  6. 6.What is 1/3 of 6? (a) 1 (b) 3 (c) 4 (d) 2
  7. 7.Which fraction is greater: 3/4 or 2/7? (a) 2/7 (b) They are equal (c) 3/4
  8. 8.Which fraction is greater: 6/7 or 2/3? (a) 2/3 (b) They are equal (c) 6/7
  9. 9.4/5 + 1/4 = ? (a) 11/10 (b) 21/20 (c) 1 (d) 5/9
  10. 10.3/4 + 1/2 = ? (a) 1 (b) 3/2 (c) 2/3 (d) 5/4
  11. 11.What is 1/2 of 12? (a) 12 (b) 7 (c) 6 (d) 5
  12. 12.Which fraction is greater: 4/9 or 3/11? (a) 3/11 (b) 4/9 (c) They are equal
  13. 13.What is 1/3 of 15? (a) 6 (b) 10 (c) 4 (d) 5
  14. 14.Which fraction is greater: 2/11 or 2/3? (a) 2/3 (b) 2/11 (c) They are equal
  15. 15.What is 5/6 of 54? (a) 54 (b) 9 (c) 45 (d) 46
  16. 16.Which fraction is greater: 11/12 or 5/8? (a) They are equal (b) 5/8 (c) 11/12
  17. 17.1/4 + 1/6 = ? (a) 1/3 (b) 1/5 (c) 1/2 (d) 5/12
  18. 18.What is 2/3 of 18? (a) 12 (b) 6 (c) 18 (d) 13
  19. 19.Which fraction is greater: 3/4 or 7/11? (a) They are equal (b) 7/11 (c) 3/4
  20. 20.What is 2/7 of 49? (a) 7 (b) 14 (c) 21 (d) 35
  21. 21.Which fraction is greater: 5/9 or 4/7? (a) 5/9 (b) 4/7 (c) They are equal
  22. 22.3/5 + 1/2 = ? (a) 1 (b) 6/5 (c) 4/7 (d) 11/10
  23. 23.2/8 + 2/4 = ? (a) 7/8 (b) 3/4 (c) 1/3 (d) 5/8
  24. 24.2/4 + 4/8 = ? (a) 7/8 (b) 1 (c) 1/2 (d) 9/8
  25. 25.Which fraction is greater: 6/7 or 8/11? (a) 8/11 (b) 6/7 (c) They are equal
  26. 26.What is 1/2 of 8? (a) 8 (b) 5 (c) 3 (d) 4
  27. 27.1/4 + 3/6 = ? (a) 2/5 (b) 5/6 (c) 3/4 (d) 2/3
  28. 28.What is 4/7 of 70? (a) 50 (b) 10 (c) 30 (d) 40
  29. 29.7/8 + 2/3 = ? (a) 9/11 (b) 37/24 (c) 3/2 (d) 19/12
  30. 30.Which fraction is greater: 3/10 or 5/7? (a) 3/10 (b) They are equal (c) 5/7
  31. 31.What is 1/2 of 24? (a) 12 (b) 11 (c) 13 (d) 24
  32. 32.Which fraction is greater: 1/3 or 5/7? (a) 1/3 (b) 5/7 (c) They are equal
  33. 33.Which fraction is greater: 4/5 or 1/11? (a) They are equal (b) 1/11 (c) 4/5
  34. 34.Which fraction is greater: 2/5 or 2/3? (a) They are equal (b) 2/3 (c) 2/5
  35. 35.3/9 + 2/4 = ? (a) 5/13 (b) 29/36 (c) 31/36 (d) 5/6
  36. 36.What is 2/9 of 72? (a) 16 (b) 56 (c) 24 (d) 8
  37. 37.Which fraction is greater: 3/8 or 5/11? (a) 3/8 (b) They are equal (c) 5/11
  38. 38.4/5 + 1/2 = ? (a) 5/7 (b) 7/5 (c) 13/10 (d) 6/5
  39. 39.4/5 + 4/5 = ? (a) 4/5 (b) 8/5 (c) 7/5 (d) 9/5
  40. 40.Which fraction is greater: 1/3 or 4/9? (a) 4/9 (b) They are equal (c) 1/3

Answer key

  1. 40
  2. 11/12
  3. 11/9
  4. 5/6
  5. 8
  6. 2
  7. 3/4
  8. 6/7
  9. 21/20
  10. 5/4
  11. 6
  12. 4/9
  13. 5
  14. 2/3
  15. 45
  16. 11/12
  17. 5/12
  18. 12
  19. 3/4
  20. 14
  21. 4/7
  22. 11/10
  23. 3/4
  24. 1
  25. 6/7
  26. 4
  27. 3/4
  28. 40
  29. 37/24
  30. 5/7
  31. 12
  32. 5/7
  33. 4/5
  34. 2/3
  35. 5/6
  36. 16
  37. 5/11
  38. 13/10
  39. 8/5
  40. 4/9

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