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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 32 · 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 1/2 of 8? (a) 5 (b) 3 (c) 8 (d) 4
  2. 2.What is 2/3 of 9? (a) 3 (b) 9 (c) 6 (d) 7
  3. 3.What is 5/6 of 60? (a) 51 (b) 10 (c) 50 (d) 60
  4. 4.2/3 + 1/3 = ? (a) 4/3 (b) 1 (c) 1/2 (d) 2/3
  5. 5.2/3 + 1/6 = ? (a) 2/3 (b) 1 (c) 5/6 (d) 1/3
  6. 6.Which fraction is greater: 1/3 or 4/5? (a) They are equal (b) 4/5 (c) 1/3
  7. 7.8/9 + 1/3 = ? (a) 11/9 (b) 10/9 (c) 4/3 (d) 3/4
  8. 8.Which fraction is greater: 3/5 or 3/10? (a) 3/10 (b) 3/5 (c) They are equal
  9. 9.Which fraction is greater: 1/4 or 5/6? (a) They are equal (b) 1/4 (c) 5/6
  10. 10.What is 4/7 of 21? (a) 3 (b) 15 (c) 12 (d) 9
  11. 11.What is 3/5 of 40? (a) 24 (b) 8 (c) 32 (d) 16
  12. 12.What is 1/2 of 16? (a) 8 (b) 9 (c) 16 (d) 7
  13. 13.What is 1/3 of 21? (a) 14 (b) 7 (c) 8 (d) 6
  14. 14.Which fraction is greater: 1/12 or 5/6? (a) 1/12 (b) They are equal (c) 5/6
  15. 15.Which fraction is greater: 3/11 or 3/4? (a) They are equal (b) 3/11 (c) 3/4
  16. 16.1/2 + 3/5 = ? (a) 1 (b) 11/10 (c) 4/7 (d) 6/5
  17. 17.What is 4/7 of 70? (a) 10 (b) 50 (c) 30 (d) 40
  18. 18.What is 8/9 of 54? (a) 49 (b) 54 (c) 6 (d) 48
  19. 19.1/4 + 5/6 = ? (a) 7/6 (b) 3/5 (c) 1 (d) 13/12
  20. 20.2/9 + 1/3 = ? (a) 1/4 (b) 5/9 (c) 4/9 (d) 2/3
  21. 21.2/4 + 1/4 = ? (a) 1 (b) 3/4 (c) 1/2 (d) 3/8
  22. 22.What is 1/3 of 9? (a) 6 (b) 4 (c) 2 (d) 3
  23. 23.Which fraction is greater: 4/5 or 3/10? (a) They are equal (b) 4/5 (c) 3/10
  24. 24.1/2 + 1/6 = ? (a) 2/3 (b) 1/2 (c) 5/6 (d) 1/4
  25. 25.1/5 + 6/7 = ? (a) 7/12 (b) 37/35 (c) 36/35 (d) 38/35
  26. 26.Which fraction is greater: 6/7 or 3/8? (a) 3/8 (b) 6/7 (c) They are equal
  27. 27.1/2 + 1/2 = ? (a) 1/2 (b) 3/2 (c) 2 (d) 1
  28. 28.1/2 + 4/9 = ? (a) 8/9 (b) 5/11 (c) 17/18 (d) 1
  29. 29.Which fraction is greater: 6/7 or 1/11? (a) They are equal (b) 1/11 (c) 6/7
  30. 30.What is 5/9 of 27? (a) 3 (b) 12 (c) 18 (d) 15
  31. 31.3/8 + 2/3 = ? (a) 1 (b) 13/12 (c) 25/24 (d) 5/11
  32. 32.What is 2/3 of 24? (a) 8 (b) 17 (c) 16 (d) 24
  33. 33.1/2 + 1/9 = ? (a) 5/9 (b) 11/18 (c) 2/11 (d) 2/3
  34. 34.What is 1/6 of 30? (a) 6 (b) 10 (c) 5 (d) 25
  35. 35.What is 1/2 of 20? (a) 10 (b) 9 (c) 11 (d) 20
  36. 36.Which fraction is greater: 7/9 or 1/6? (a) 7/9 (b) They are equal (c) 1/6
  37. 37.What is 2/3 of 21? (a) 7 (b) 15 (c) 14 (d) 21
  38. 38.Which fraction is greater: 9/11 or 9/10? (a) They are equal (b) 9/11 (c) 9/10
  39. 39.What is 5/6 of 30? (a) 25 (b) 26 (c) 30 (d) 5
  40. 40.Which fraction is greater: 1/7 or 2/3? (a) 1/7 (b) They are equal (c) 2/3

Answer key

  1. 4
  2. 6
  3. 50
  4. 1
  5. 5/6
  6. 4/5
  7. 11/9
  8. 3/5
  9. 5/6
  10. 12
  11. 24
  12. 8
  13. 7
  14. 5/6
  15. 3/4
  16. 11/10
  17. 40
  18. 48
  19. 13/12
  20. 5/9
  21. 3/4
  22. 3
  23. 4/5
  24. 2/3
  25. 37/35
  26. 6/7
  27. 1
  28. 17/18
  29. 6/7
  30. 15
  31. 25/24
  32. 16
  33. 11/18
  34. 5
  35. 10
  36. 7/9
  37. 14
  38. 9/10
  39. 25
  40. 2/3

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