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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 424 · 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. 1.2/4 + 4/8 = ? (a) 1/2 (b) 9/8 (c) 7/8 (d) 1
  2. 2.5/9 + 3/4 = ? (a) 23/18 (b) 8/13 (c) 4/3 (d) 47/36
  3. 3.Which fraction is greater: 11/12 or 3/5? (a) 3/5 (b) They are equal (c) 11/12
  4. 4.What is 1/4 of 16? (a) 12 (b) 5 (c) 4 (d) 8
  5. 5.Which fraction is greater: 7/9 or 5/8? (a) 5/8 (b) 7/9 (c) They are equal
  6. 6.What is 4/9 of 108? (a) 48 (b) 12 (c) 49 (d) 60
  7. 7.What is 1/7 of 42? (a) 12 (b) 7 (c) 36 (d) 6
  8. 8.Which fraction is greater: 3/10 or 8/11? (a) 3/10 (b) 8/11 (c) They are equal
  9. 9.What is 2/9 of 45? (a) 15 (b) 10 (c) 5 (d) 35
  10. 10.1/4 + 2/3 = ? (a) 11/12 (b) 5/6 (c) 3/7 (d) 1
  11. 11.Which fraction is greater: 1/7 or 2/3? (a) 1/7 (b) They are equal (c) 2/3
  12. 12.What is 3/5 of 60? (a) 48 (b) 24 (c) 36 (d) 12
  13. 13.8/9 + 1/4 = ? (a) 10/9 (b) 7/6 (c) 9/13 (d) 41/36
  14. 14.1/2 + 1/4 = ? (a) 1 (b) 3/4 (c) 1/2 (d) 1/3
  15. 15.1/2 + 2/3 = ? (a) 4/3 (b) 1 (c) 7/6 (d) 3/5
  16. 16.What is 1/2 of 12? (a) 7 (b) 5 (c) 12 (d) 6
  17. 17.1/2 + 5/9 = ? (a) 10/9 (b) 6/11 (c) 1 (d) 19/18
  18. 18.Which fraction is greater: 1/8 or 2/3? (a) They are equal (b) 1/8 (c) 2/3
  19. 19.1/8 + 2/3 = ? (a) 3/11 (b) 19/24 (c) 3/4 (d) 5/6
  20. 20.2/4 + 2/3 = ? (a) 13/12 (b) 4/7 (c) 7/6 (d) 5/4
  21. 21.What is 4/5 of 45? (a) 37 (b) 9 (c) 36 (d) 45
  22. 22.1/8 + 3/4 = ? (a) 1/3 (b) 3/4 (c) 1 (d) 7/8
  23. 23.Which fraction is greater: 7/8 or 2/11? (a) They are equal (b) 2/11 (c) 7/8
  24. 24.What is 1/2 of 24? (a) 13 (b) 12 (c) 24 (d) 11
  25. 25.2/8 + 2/8 = ? (a) 3/8 (b) 5/8 (c) 1/4 (d) 1/2
  26. 26.Which fraction is greater: 4/5 or 1/11? (a) They are equal (b) 1/11 (c) 4/5
  27. 27.Which fraction is greater: 5/11 or 1/3? (a) They are equal (b) 5/11 (c) 1/3
  28. 28.What is 1/2 of 6? (a) 2 (b) 4 (c) 3 (d) 6
  29. 29.Which fraction is greater: 1/4 or 8/11? (a) They are equal (b) 1/4 (c) 8/11
  30. 30.5/6 + 2/3 = ? (a) 7/9 (b) 4/3 (c) 5/3 (d) 3/2
  31. 31.Which fraction is greater: 1/9 or 3/11? (a) They are equal (b) 3/11 (c) 1/9
  32. 32.Which fraction is greater: 2/5 or 11/12? (a) They are equal (b) 2/5 (c) 11/12
  33. 33.1/2 + 1/2 = ? (a) 3/2 (b) 1 (c) 2 (d) 1/2
  34. 34.What is 1/5 of 10? (a) 2 (b) 4 (c) 3 (d) 8
  35. 35.2/3 + 2/9 = ? (a) 8/9 (b) 1/3 (c) 7/9 (d) 1
  36. 36.4/7 + 3/4 = ? (a) 7/11 (b) 37/28 (c) 9/7 (d) 19/14
  37. 37.Which fraction is greater: 7/8 or 1/3? (a) They are equal (b) 1/3 (c) 7/8
  38. 38.4/5 + 2/5 = ? (a) 7/5 (b) 6/5 (c) 3/5 (d) 1
  39. 39.4/5 + 3/4 = ? (a) 7/9 (b) 3/2 (c) 8/5 (d) 31/20
  40. 40.Which fraction is greater: 3/7 or 1/3? (a) 1/3 (b) They are equal (c) 3/7

Answer key

  1. 1
  2. 47/36
  3. 11/12
  4. 4
  5. 7/9
  6. 48
  7. 6
  8. 8/11
  9. 10
  10. 11/12
  11. 2/3
  12. 36
  13. 41/36
  14. 3/4
  15. 7/6
  16. 6
  17. 19/18
  18. 2/3
  19. 19/24
  20. 7/6
  21. 36
  22. 7/8
  23. 7/8
  24. 12
  25. 1/2
  26. 4/5
  27. 5/11
  28. 3
  29. 8/11
  30. 3/2
  31. 3/11
  32. 11/12
  33. 1
  34. 2
  35. 8/9
  36. 37/28
  37. 7/8
  38. 6/5
  39. 31/20
  40. 3/7

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