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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 22 · 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 1/5? (a) 1/5 (b) They are equal (c) 1/4
  2. 2.Which fraction is greater: 2/3 or 1/4? (a) 2/3 (b) They are equal (c) 1/4
  3. 3.What is 3/5 of 10? (a) 2 (b) 8 (c) 6 (d) 4
  4. 4.Which fraction is greater: 4/5 or 1/4? (a) 1/4 (b) 4/5 (c) They are equal
  5. 5.7/9 + 2/6 = ? (a) 10/9 (b) 7/6 (c) 3/5 (d) 19/18
  6. 6.What is 1/2 of 18? (a) 8 (b) 18 (c) 9 (d) 10
  7. 7.Which fraction is greater: 1/9 or 7/8? (a) 7/8 (b) They are equal (c) 1/9
  8. 8.Which fraction is greater: 7/11 or 8/9? (a) They are equal (b) 7/11 (c) 8/9
  9. 9.1/2 + 1/3 = ? (a) 1 (b) 2/3 (c) 2/5 (d) 5/6
  10. 10.What is 5/8 of 32? (a) 12 (b) 20 (c) 4 (d) 24
  11. 11.2/5 + 1/4 = ? (a) 1/3 (b) 3/5 (c) 13/20 (d) 7/10
  12. 12.Which fraction is greater: 1/7 or 1/3? (a) 1/3 (b) They are equal (c) 1/7
  13. 13.3/4 + 1/4 = ? (a) 1/2 (b) 5/4 (c) 3/4 (d) 1
  14. 14.Which fraction is greater: 1/4 or 7/9? (a) They are equal (b) 1/4 (c) 7/9
  15. 15.What is 1/7 of 70? (a) 11 (b) 10 (c) 60 (d) 20
  16. 16.What is 1/6 of 12? (a) 4 (b) 10 (c) 3 (d) 2
  17. 17.3/7 + 1/7 = ? (a) 2/7 (b) 3/7 (c) 4/7 (d) 5/7
  18. 18.What is 1/4 of 16? (a) 5 (b) 12 (c) 4 (d) 8
  19. 19.1/3 + 1/2 = ? (a) 2/3 (b) 5/6 (c) 1 (d) 2/5
  20. 20.2/3 + 1/2 = ? (a) 7/6 (b) 1 (c) 3/5 (d) 4/3
  21. 21.Which fraction is greater: 7/8 or 5/6? (a) They are equal (b) 5/6 (c) 7/8
  22. 22.What is 2/5 of 30? (a) 12 (b) 13 (c) 18 (d) 6
  23. 23.6/7 + 1/4 = ? (a) 15/14 (b) 7/11 (c) 8/7 (d) 31/28
  24. 24.What is 3/5 of 40? (a) 24 (b) 32 (c) 8 (d) 16
  25. 25.Which fraction is greater: 3/5 or 2/11? (a) 3/5 (b) They are equal (c) 2/11
  26. 26.Which fraction is greater: 2/5 or 1/12? (a) 2/5 (b) 1/12 (c) They are equal
  27. 27.What is 1/6 of 66? (a) 22 (b) 11 (c) 12 (d) 55
  28. 28.1/3 + 2/5 = ? (a) 2/3 (b) 4/5 (c) 11/15 (d) 3/8
  29. 29.What is 2/3 of 6? (a) 2 (b) 4 (c) 5 (d) 6
  30. 30.Which fraction is greater: 11/12 or 1/8? (a) 1/8 (b) They are equal (c) 11/12
  31. 31.Which fraction is greater: 2/5 or 5/6? (a) 2/5 (b) 5/6 (c) They are equal
  32. 32.Which fraction is greater: 7/9 or 10/11? (a) They are equal (b) 7/9 (c) 10/11
  33. 33.What is 1/5 of 30? (a) 12 (b) 6 (c) 24 (d) 7
  34. 34.Which fraction is greater: 1/3 or 1/4? (a) 1/3 (b) 1/4 (c) They are equal
  35. 35.1/2 + 4/6 = ? (a) 5/8 (b) 1 (c) 4/3 (d) 7/6
  36. 36.2/6 + 4/8 = ? (a) 5/6 (b) 19/24 (c) 7/8 (d) 3/7
  37. 37.Which fraction is greater: 7/8 or 2/5? (a) 7/8 (b) 2/5 (c) They are equal
  38. 38.What is 1/2 of 20? (a) 11 (b) 9 (c) 20 (d) 10
  39. 39.1/2 + 7/8 = ? (a) 4/5 (b) 3/2 (c) 5/4 (d) 11/8
  40. 40.Which fraction is greater: 1/3 or 7/11? (a) 7/11 (b) 1/3 (c) They are equal

Answer key

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

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