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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 914 · 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: 5/8 or 1/3? (a) 5/8 (b) 1/3 (c) They are equal
  2. 2.1/6 + 1/3 = ? (a) 2/9 (b) 2/3 (c) 1/3 (d) 1/2
  3. 3.3/8 + 3/4 = ? (a) 1 (b) 1/2 (c) 5/4 (d) 9/8
  4. 4.1/2 + 1/8 = ? (a) 3/4 (b) 1/2 (c) 1/5 (d) 5/8
  5. 5.1/2 + 3/5 = ? (a) 1 (b) 4/7 (c) 11/10 (d) 6/5
  6. 6.Which fraction is greater: 2/3 or 1/7? (a) 1/7 (b) 2/3 (c) They are equal
  7. 7.What is 1/2 of 8? (a) 8 (b) 4 (c) 3 (d) 5
  8. 8.Which fraction is greater: 1/11 or 1/3? (a) They are equal (b) 1/3 (c) 1/11
  9. 9.Which fraction is greater: 8/11 or 4/7? (a) 8/11 (b) They are equal (c) 4/7
  10. 10.Which fraction is greater: 4/5 or 1/3? (a) 1/3 (b) 4/5 (c) They are equal
  11. 11.Which fraction is greater: 6/7 or 1/12? (a) 6/7 (b) They are equal (c) 1/12
  12. 12.1/2 + 1/4 = ? (a) 1/2 (b) 3/4 (c) 1 (d) 1/3
  13. 13.What is 2/3 of 6? (a) 6 (b) 2 (c) 5 (d) 4
  14. 14.1/5 + 2/3 = ? (a) 4/5 (b) 3/8 (c) 14/15 (d) 13/15
  15. 15.Which fraction is greater: 1/7 or 3/11? (a) 3/11 (b) They are equal (c) 1/7
  16. 16.Which fraction is greater: 5/6 or 1/3? (a) 5/6 (b) They are equal (c) 1/3
  17. 17.What is 3/5 of 45? (a) 18 (b) 36 (c) 27 (d) 9
  18. 18.2/4 + 3/7 = ? (a) 13/14 (b) 25/28 (c) 27/28 (d) 5/11
  19. 19.Which fraction is greater: 1/3 or 1/7? (a) They are equal (b) 1/3 (c) 1/7
  20. 20.What is 1/2 of 4? (a) 3 (b) 1 (c) 4 (d) 2
  21. 21.What is 1/4 of 8? (a) 2 (b) 6 (c) 3 (d) 4
  22. 22.3/7 + 2/4 = ? (a) 27/28 (b) 13/14 (c) 25/28 (d) 5/11
  23. 23.1/3 + 4/5 = ? (a) 5/8 (b) 16/15 (c) 6/5 (d) 17/15
  24. 24.Which fraction is greater: 7/12 or 1/3? (a) 1/3 (b) They are equal (c) 7/12
  25. 25.What is 3/5 of 10? (a) 2 (b) 6 (c) 8 (d) 4
  26. 26.What is 8/9 of 90? (a) 90 (b) 81 (c) 10 (d) 80
  27. 27.1/6 + 5/9 = ? (a) 13/18 (b) 2/3 (c) 7/9 (d) 2/5
  28. 28.Which fraction is greater: 2/5 or 1/3? (a) 1/3 (b) 2/5 (c) They are equal
  29. 29.Which fraction is greater: 3/5 or 1/9? (a) 1/9 (b) 3/5 (c) They are equal
  30. 30.1/5 + 1/2 = ? (a) 4/5 (b) 2/7 (c) 7/10 (d) 3/5
  31. 31.What is 1/3 of 27? (a) 18 (b) 10 (c) 8 (d) 9
  32. 32.What is 1/2 of 24? (a) 24 (b) 11 (c) 13 (d) 12
  33. 33.5/9 + 5/6 = ? (a) 4/3 (b) 13/9 (c) 2/3 (d) 25/18
  34. 34.What is 3/7 of 35? (a) 20 (b) 5 (c) 15 (d) 16
  35. 35.1/3 + 3/8 = ? (a) 4/11 (b) 17/24 (c) 3/4 (d) 2/3
  36. 36.1/3 + 1/5 = ? (a) 1/4 (b) 3/5 (c) 7/15 (d) 8/15
  37. 37.Which fraction is greater: 4/5 or 3/4? (a) 3/4 (b) 4/5 (c) They are equal
  38. 38.3/4 + 4/7 = ? (a) 7/11 (b) 19/14 (c) 9/7 (d) 37/28
  39. 39.1/5 + 3/4 = ? (a) 1 (b) 9/10 (c) 19/20 (d) 4/9
  40. 40.3/8 + 4/6 = ? (a) 1 (b) 13/12 (c) 25/24 (d) 1/2

Answer key

  1. 5/8
  2. 1/2
  3. 9/8
  4. 5/8
  5. 11/10
  6. 2/3
  7. 4
  8. 1/3
  9. 8/11
  10. 4/5
  11. 6/7
  12. 3/4
  13. 4
  14. 13/15
  15. 3/11
  16. 5/6
  17. 27
  18. 13/14
  19. 1/3
  20. 2
  21. 2
  22. 13/14
  23. 17/15
  24. 7/12
  25. 6
  26. 80
  27. 13/18
  28. 2/5
  29. 3/5
  30. 7/10
  31. 9
  32. 12
  33. 25/18
  34. 15
  35. 17/24
  36. 8/15
  37. 4/5
  38. 37/28
  39. 19/20
  40. 25/24

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