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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 52 · 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: 1/5 or 1/12? (a) 1/5 (b) They are equal (c) 1/12
  2. 2.Which fraction is greater: 1/3 or 1/5? (a) 1/5 (b) They are equal (c) 1/3
  3. 3.Which fraction is greater: 1/5 or 3/4? (a) 1/5 (b) 3/4 (c) They are equal
  4. 4.What is 1/3 of 30? (a) 10 (b) 20 (c) 11 (d) 9
  5. 5.Which fraction is greater: 4/5 or 2/11? (a) 4/5 (b) They are equal (c) 2/11
  6. 6.What is 2/3 of 33? (a) 23 (b) 22 (c) 33 (d) 11
  7. 7.3/5 + 3/5 = ? (a) 1 (b) 6/5 (c) 7/5 (d) 3/5
  8. 8.What is 2/7 of 35? (a) 25 (b) 5 (c) 15 (d) 10
  9. 9.4/8 + 1/3 = ? (a) 7/8 (b) 19/24 (c) 5/6 (d) 5/11
  10. 10.Which fraction is greater: 3/10 or 2/9? (a) They are equal (b) 2/9 (c) 3/10
  11. 11.What is 5/8 of 32? (a) 12 (b) 4 (c) 24 (d) 20
  12. 12.Which fraction is greater: 1/8 or 4/5? (a) 1/8 (b) They are equal (c) 4/5
  13. 13.Which fraction is greater: 4/5 or 5/12? (a) They are equal (b) 4/5 (c) 5/12
  14. 14.What is 2/3 of 21? (a) 21 (b) 15 (c) 14 (d) 7
  15. 15.Which fraction is greater: 2/5 or 1/6? (a) They are equal (b) 2/5 (c) 1/6
  16. 16.2/3 + 1/2 = ? (a) 1 (b) 4/3 (c) 3/5 (d) 7/6
  17. 17.What is 7/9 of 27? (a) 3 (b) 6 (c) 21 (d) 24
  18. 18.Which fraction is greater: 3/5 or 8/9? (a) 3/5 (b) They are equal (c) 8/9
  19. 19.What is 1/2 of 10? (a) 4 (b) 6 (c) 5 (d) 10
  20. 20.Which fraction is greater: 2/3 or 4/7? (a) 4/7 (b) 2/3 (c) They are equal
  21. 21.Which fraction is greater: 2/3 or 4/11? (a) 2/3 (b) 4/11 (c) They are equal
  22. 22.1/9 + 3/4 = ? (a) 5/6 (b) 4/13 (c) 8/9 (d) 31/36
  23. 23.Which fraction is greater: 5/8 or 4/5? (a) 5/8 (b) 4/5 (c) They are equal
  24. 24.What is 1/3 of 27? (a) 10 (b) 18 (c) 8 (d) 9
  25. 25.Which fraction is greater: 1/5 or 9/10? (a) 9/10 (b) 1/5 (c) They are equal
  26. 26.Which fraction is greater: 6/7 or 2/11? (a) They are equal (b) 2/11 (c) 6/7
  27. 27.Which fraction is greater: 1/7 or 3/8? (a) 1/7 (b) 3/8 (c) They are equal
  28. 28.1/2 + 1/4 = ? (a) 3/4 (b) 1 (c) 1/2 (d) 1/3
  29. 29.1/2 + 1/2 = ? (a) 1 (b) 1/2 (c) 2 (d) 3/2
  30. 30.Which fraction is greater: 1/4 or 10/11? (a) They are equal (b) 10/11 (c) 1/4
  31. 31.1/6 + 2/5 = ? (a) 8/15 (b) 17/30 (c) 3/5 (d) 3/11
  32. 32.1/2 + 8/9 = ? (a) 4/3 (b) 13/9 (c) 25/18 (d) 9/11
  33. 33.4/9 + 1/2 = ? (a) 17/18 (b) 5/11 (c) 1 (d) 8/9
  34. 34.Which fraction is greater: 5/7 or 3/4? (a) 5/7 (b) They are equal (c) 3/4
  35. 35.5/8 + 1/2 = ? (a) 5/4 (b) 1 (c) 9/8 (d) 3/5
  36. 36.What is 3/4 of 12? (a) 9 (b) 12 (c) 3 (d) 10
  37. 37.What is 7/9 of 18? (a) 14 (b) 4 (c) 2 (d) 16
  38. 38.Which fraction is greater: 1/5 or 1/4? (a) They are equal (b) 1/5 (c) 1/4
  39. 39.What is 1/2 of 16? (a) 8 (b) 9 (c) 7 (d) 16
  40. 40.Which fraction is greater: 1/6 or 7/10? (a) 1/6 (b) They are equal (c) 7/10

Answer key

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

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