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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 448 · 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. 1.3/4 + 1/2 = ? (a) 3/2 (b) 1 (c) 2/3 (d) 5/4
  2. 2.What is 4/5 of 20? (a) 20 (b) 4 (c) 16 (d) 17
  3. 3.3/4 + 2/4 = ? (a) 5/8 (b) 5/4 (c) 3/2 (d) 1
  4. 4.Which fraction is greater: 5/8 or 10/11? (a) 5/8 (b) They are equal (c) 10/11
  5. 5.Which fraction is greater: 1/5 or 1/7? (a) 1/5 (b) 1/7 (c) They are equal
  6. 6.Which fraction is greater: 1/10 or 1/11? (a) 1/10 (b) 1/11 (c) They are equal
  7. 7.Which fraction is greater: 2/3 or 1/12? (a) 1/12 (b) They are equal (c) 2/3
  8. 8.Which fraction is greater: 4/7 or 7/9? (a) 4/7 (b) They are equal (c) 7/9
  9. 9.Which fraction is greater: 1/3 or 11/12? (a) 1/3 (b) They are equal (c) 11/12
  10. 10.Which fraction is greater: 1/3 or 5/12? (a) 5/12 (b) They are equal (c) 1/3
  11. 11.1/3 + 8/9 = ? (a) 10/9 (b) 3/4 (c) 4/3 (d) 11/9
  12. 12.Which fraction is greater: 1/3 or 1/7? (a) 1/7 (b) 1/3 (c) They are equal
  13. 13.Which fraction is greater: 6/11 or 1/5? (a) They are equal (b) 6/11 (c) 1/5
  14. 14.What is 8/9 of 45? (a) 40 (b) 41 (c) 45 (d) 5
  15. 15.Which fraction is greater: 7/9 or 1/4? (a) 7/9 (b) 1/4 (c) They are equal
  16. 16.What is 1/5 of 45? (a) 10 (b) 9 (c) 18 (d) 36
  17. 17.1/5 + 2/4 = ? (a) 13/20 (b) 7/10 (c) 3/4 (d) 1/3
  18. 18.Which fraction is greater: 7/11 or 1/5? (a) They are equal (b) 1/5 (c) 7/11
  19. 19.1/3 + 2/9 = ? (a) 1/4 (b) 4/9 (c) 2/3 (d) 5/9
  20. 20.1/7 + 2/3 = ? (a) 3/10 (b) 16/21 (c) 6/7 (d) 17/21
  21. 21.Which fraction is greater: 7/10 or 3/5? (a) 7/10 (b) 3/5 (c) They are equal
  22. 22.5/9 + 1/3 = ? (a) 1/2 (b) 1 (c) 7/9 (d) 8/9
  23. 23.1/3 + 1/4 = ? (a) 1/2 (b) 2/3 (c) 2/7 (d) 7/12
  24. 24.Which fraction is greater: 2/5 or 6/7? (a) 2/5 (b) They are equal (c) 6/7
  25. 25.Which fraction is greater: 11/12 or 3/4? (a) 11/12 (b) They are equal (c) 3/4
  26. 26.What is 2/5 of 35? (a) 14 (b) 7 (c) 21 (d) 15
  27. 27.What is 1/2 of 12? (a) 12 (b) 7 (c) 5 (d) 6
  28. 28.1/9 + 2/3 = ? (a) 8/9 (b) 7/9 (c) 1/4 (d) 2/3
  29. 29.1/4 + 1/4 = ? (a) 1/4 (b) 1/2 (c) 1 (d) 3/4
  30. 30.Which fraction is greater: 5/9 or 3/7? (a) They are equal (b) 5/9 (c) 3/7
  31. 31.Which fraction is greater: 5/6 or 4/5? (a) 4/5 (b) They are equal (c) 5/6
  32. 32.1/5 + 1/2 = ? (a) 7/10 (b) 4/5 (c) 2/7 (d) 3/5
  33. 33.Which fraction is greater: 7/10 or 1/8? (a) 1/8 (b) 7/10 (c) They are equal
  34. 34.What is 2/3 of 12? (a) 8 (b) 12 (c) 9 (d) 4
  35. 35.3/7 + 5/7 = ? (a) 8/7 (b) 4/7 (c) 9/7 (d) 1
  36. 36.What is 5/6 of 36? (a) 30 (b) 31 (c) 6 (d) 36
  37. 37.6/9 + 3/4 = ? (a) 13/9 (b) 25/18 (c) 9/13 (d) 17/12
  38. 38.Which fraction is greater: 1/6 or 8/11? (a) They are equal (b) 8/11 (c) 1/6
  39. 39.5/9 + 1/2 = ? (a) 1 (b) 19/18 (c) 6/11 (d) 10/9
  40. 40.Which fraction is greater: 10/11 or 4/7? (a) They are equal (b) 10/11 (c) 4/7

Answer key

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

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