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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 6 · 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: 10/11 or 1/5? (a) 1/5 (b) 10/11 (c) They are equal
  2. 2.Which fraction is greater: 3/4 or 3/5? (a) They are equal (b) 3/5 (c) 3/4
  3. 3.Which fraction is greater: 3/10 or 3/4? (a) 3/10 (b) They are equal (c) 3/4
  4. 4.2/4 + 2/9 = ? (a) 4/13 (b) 13/18 (c) 25/36 (d) 3/4
  5. 5.What is 5/6 of 66? (a) 66 (b) 11 (c) 55 (d) 56
  6. 6.What is 8/9 of 54? (a) 6 (b) 49 (c) 54 (d) 48
  7. 7.1/2 + 3/4 = ? (a) 1 (b) 2/3 (c) 3/2 (d) 5/4
  8. 8.2/3 + 1/5 = ? (a) 4/5 (b) 14/15 (c) 3/8 (d) 13/15
  9. 9.Which fraction is greater: 3/11 or 1/3? (a) 1/3 (b) They are equal (c) 3/11
  10. 10.3/4 + 2/9 = ? (a) 5/13 (b) 1 (c) 35/36 (d) 17/18
  11. 11.1/8 + 2/4 = ? (a) 1/2 (b) 5/8 (c) 1/4 (d) 3/4
  12. 12.7/8 + 5/6 = ? (a) 41/24 (b) 7/4 (c) 5/3 (d) 6/7
  13. 13.What is 3/7 of 28? (a) 4 (b) 12 (c) 16 (d) 13
  14. 14.1/3 + 1/5 = ? (a) 7/15 (b) 3/5 (c) 1/4 (d) 8/15
  15. 15.Which fraction is greater: 3/10 or 1/6? (a) 3/10 (b) They are equal (c) 1/6
  16. 16.1/4 + 4/5 = ? (a) 1 (b) 11/10 (c) 5/9 (d) 21/20
  17. 17.Which fraction is greater: 1/11 or 2/3? (a) 2/3 (b) They are equal (c) 1/11
  18. 18.1/3 + 5/9 = ? (a) 1/2 (b) 1 (c) 8/9 (d) 7/9
  19. 19.Which fraction is greater: 1/5 or 2/3? (a) 2/3 (b) They are equal (c) 1/5
  20. 20.1/9 + 1/4 = ? (a) 13/36 (b) 1/3 (c) 2/13 (d) 7/18
  21. 21.2/3 + 6/9 = ? (a) 11/9 (b) 4/3 (c) 2/3 (d) 13/9
  22. 22.What is 3/4 of 12? (a) 10 (b) 9 (c) 12 (d) 3
  23. 23.2/4 + 1/3 = ? (a) 5/6 (b) 3/7 (c) 11/12 (d) 3/4
  24. 24.What is 1/2 of 4? (a) 1 (b) 4 (c) 2 (d) 3
  25. 25.What is 1/4 of 24? (a) 18 (b) 6 (c) 7 (d) 12
  26. 26.Which fraction is greater: 2/11 or 2/5? (a) 2/11 (b) 2/5 (c) They are equal
  27. 27.Which fraction is greater: 4/5 or 2/3? (a) They are equal (b) 4/5 (c) 2/3
  28. 28.Which fraction is greater: 1/5 or 1/4? (a) They are equal (b) 1/5 (c) 1/4
  29. 29.Which fraction is greater: 3/5 or 1/8? (a) They are equal (b) 1/8 (c) 3/5
  30. 30.Which fraction is greater: 1/4 or 1/8? (a) 1/8 (b) 1/4 (c) They are equal
  31. 31.What is 1/2 of 12? (a) 12 (b) 7 (c) 6 (d) 5
  32. 32.What is 1/6 of 12? (a) 4 (b) 2 (c) 3 (d) 10
  33. 33.1/4 + 1/2 = ? (a) 3/4 (b) 1/3 (c) 1 (d) 1/2
  34. 34.Which fraction is greater: 4/5 or 5/7? (a) They are equal (b) 5/7 (c) 4/5
  35. 35.1/2 + 1/4 = ? (a) 3/4 (b) 1/3 (c) 1/2 (d) 1
  36. 36.Which fraction is greater: 3/5 or 2/3? (a) 2/3 (b) They are equal (c) 3/5
  37. 37.Which fraction is greater: 1/3 or 1/12? (a) 1/12 (b) They are equal (c) 1/3
  38. 38.What is 1/2 of 18? (a) 10 (b) 9 (c) 18 (d) 8
  39. 39.Which fraction is greater: 1/7 or 2/11? (a) 1/7 (b) 2/11 (c) They are equal
  40. 40.1/2 + 6/8 = ? (a) 7/10 (b) 9/8 (c) 11/8 (d) 5/4

Answer key

  1. 10/11
  2. 3/4
  3. 3/4
  4. 13/18
  5. 55
  6. 48
  7. 5/4
  8. 13/15
  9. 1/3
  10. 35/36
  11. 5/8
  12. 41/24
  13. 12
  14. 8/15
  15. 3/10
  16. 21/20
  17. 2/3
  18. 8/9
  19. 2/3
  20. 13/36
  21. 4/3
  22. 9
  23. 5/6
  24. 2
  25. 6
  26. 2/5
  27. 4/5
  28. 1/4
  29. 3/5
  30. 1/4
  31. 6
  32. 2
  33. 3/4
  34. 4/5
  35. 3/4
  36. 2/3
  37. 1/3
  38. 9
  39. 2/11
  40. 5/4

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