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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 827 · 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 3/4 of 28? (a) 28 (b) 7 (c) 22 (d) 21
  2. 2.Which fraction is greater: 1/4 or 5/8? (a) 1/4 (b) They are equal (c) 5/8
  3. 3.1/2 + 5/6 = ? (a) 3/2 (b) 3/4 (c) 4/3 (d) 7/6
  4. 4.What is 2/3 of 15? (a) 11 (b) 10 (c) 5 (d) 15
  5. 5.1/2 + 2/5 = ? (a) 9/10 (b) 3/7 (c) 1 (d) 4/5
  6. 6.What is 1/3 of 30? (a) 9 (b) 20 (c) 11 (d) 10
  7. 7.3/4 + 4/9 = ? (a) 11/9 (b) 7/13 (c) 43/36 (d) 7/6
  8. 8.Which fraction is greater: 4/7 or 2/3? (a) They are equal (b) 4/7 (c) 2/3
  9. 9.What is 1/2 of 4? (a) 2 (b) 1 (c) 3 (d) 4
  10. 10.1/3 + 1/3 = ? (a) 1/3 (b) 2/3 (c) 1 (d) 4/3
  11. 11.What is 2/3 of 12? (a) 4 (b) 12 (c) 8 (d) 9
  12. 12.Which fraction is greater: 5/8 or 3/11? (a) They are equal (b) 5/8 (c) 3/11
  13. 13.2/6 + 1/2 = ? (a) 3/8 (b) 5/6 (c) 2/3 (d) 1
  14. 14.Which fraction is greater: 5/8 or 6/7? (a) 5/8 (b) They are equal (c) 6/7
  15. 15.2/6 + 1/9 = ? (a) 1/5 (b) 7/18 (c) 4/9 (d) 1/2
  16. 16.What is 8/9 of 27? (a) 27 (b) 25 (c) 24 (d) 3
  17. 17.What is 1/2 of 16? (a) 9 (b) 16 (c) 8 (d) 7
  18. 18.1/2 + 1/3 = ? (a) 5/6 (b) 2/3 (c) 2/5 (d) 1
  19. 19.Which fraction is greater: 4/5 or 3/4? (a) They are equal (b) 4/5 (c) 3/4
  20. 20.What is 3/8 of 48? (a) 24 (b) 18 (c) 30 (d) 6
  21. 21.4/5 + 1/6 = ? (a) 5/11 (b) 1 (c) 14/15 (d) 29/30
  22. 22.5/8 + 2/4 = ? (a) 5/4 (b) 7/12 (c) 1 (d) 9/8
  23. 23.What is 4/7 of 28? (a) 20 (b) 16 (c) 12 (d) 4
  24. 24.6/9 + 1/3 = ? (a) 10/9 (b) 7/12 (c) 8/9 (d) 1
  25. 25.Which fraction is greater: 1/3 or 4/7? (a) They are equal (b) 4/7 (c) 1/3
  26. 26.6/8 + 1/8 = ? (a) 7/16 (b) 1 (c) 7/8 (d) 3/4
  27. 27.1/7 + 1/5 = ? (a) 13/35 (b) 1/6 (c) 12/35 (d) 11/35
  28. 28.Which fraction is greater: 1/3 or 3/11? (a) 1/3 (b) 3/11 (c) They are equal
  29. 29.1/8 + 6/8 = ? (a) 7/8 (b) 7/16 (c) 3/4 (d) 1
  30. 30.Which fraction is greater: 1/6 or 1/4? (a) 1/6 (b) 1/4 (c) They are equal
  31. 31.1/2 + 2/6 = ? (a) 1 (b) 3/8 (c) 5/6 (d) 2/3
  32. 32.What is 1/3 of 24? (a) 7 (b) 16 (c) 8 (d) 9
  33. 33.What is 1/2 of 6? (a) 2 (b) 4 (c) 6 (d) 3
  34. 34.Which fraction is greater: 5/6 or 1/11? (a) They are equal (b) 1/11 (c) 5/6
  35. 35.6/7 + 3/4 = ? (a) 23/14 (b) 45/28 (c) 9/11 (d) 11/7
  36. 36.4/5 + 6/7 = ? (a) 58/35 (b) 59/35 (c) 57/35 (d) 5/6
  37. 37.Which fraction is greater: 3/10 or 4/5? (a) They are equal (b) 4/5 (c) 3/10
  38. 38.What is 4/7 of 42? (a) 30 (b) 18 (c) 6 (d) 24
  39. 39.Which fraction is greater: 1/4 or 1/10? (a) They are equal (b) 1/4 (c) 1/10
  40. 40.What is 1/3 of 6? (a) 3 (b) 2 (c) 4 (d) 1

Answer key

  1. 21
  2. 5/8
  3. 4/3
  4. 10
  5. 9/10
  6. 10
  7. 43/36
  8. 2/3
  9. 2
  10. 2/3
  11. 8
  12. 5/8
  13. 5/6
  14. 6/7
  15. 4/9
  16. 24
  17. 8
  18. 5/6
  19. 4/5
  20. 18
  21. 29/30
  22. 9/8
  23. 16
  24. 1
  25. 4/7
  26. 7/8
  27. 12/35
  28. 1/3
  29. 7/8
  30. 1/4
  31. 5/6
  32. 8
  33. 3
  34. 5/6
  35. 45/28
  36. 58/35
  37. 4/5
  38. 24
  39. 1/4
  40. 2

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