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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 540 · 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: 4/5 or 1/10? (a) 1/10 (b) 4/5 (c) They are equal
  2. 2.3/8 + 7/8 = ? (a) 5/8 (b) 11/8 (c) 5/4 (d) 9/8
  3. 3.What is 1/8 of 40? (a) 10 (b) 5 (c) 35 (d) 6
  4. 4.What is 3/7 of 63? (a) 27 (b) 9 (c) 28 (d) 36
  5. 5.4/8 + 2/4 = ? (a) 9/8 (b) 7/8 (c) 1/2 (d) 1
  6. 6.Which fraction is greater: 3/5 or 2/11? (a) 3/5 (b) 2/11 (c) They are equal
  7. 7.What is 1/8 of 96? (a) 24 (b) 13 (c) 84 (d) 12
  8. 8.Which fraction is greater: 1/8 or 5/9? (a) 1/8 (b) They are equal (c) 5/9
  9. 9.What is 1/9 of 99? (a) 12 (b) 88 (c) 22 (d) 11
  10. 10.Which fraction is greater: 7/9 or 3/5? (a) 7/9 (b) They are equal (c) 3/5
  11. 11.Which fraction is greater: 7/9 or 5/11? (a) 5/11 (b) 7/9 (c) They are equal
  12. 12.Which fraction is greater: 5/7 or 1/3? (a) 5/7 (b) 1/3 (c) They are equal
  13. 13.Which fraction is greater: 5/7 or 1/8? (a) They are equal (b) 1/8 (c) 5/7
  14. 14.Which fraction is greater: 1/5 or 3/7? (a) 3/7 (b) 1/5 (c) They are equal
  15. 15.Which fraction is greater: 5/7 or 8/9? (a) They are equal (b) 5/7 (c) 8/9
  16. 16.Which fraction is greater: 3/11 or 7/12? (a) They are equal (b) 3/11 (c) 7/12
  17. 17.Which fraction is greater: 1/11 or 5/7? (a) They are equal (b) 1/11 (c) 5/7
  18. 18.Which fraction is greater: 7/10 or 3/11? (a) 3/11 (b) They are equal (c) 7/10
  19. 19.What is 1/9 of 36? (a) 8 (b) 32 (c) 4 (d) 5
  20. 20.Which fraction is greater: 6/11 or 1/3? (a) 6/11 (b) They are equal (c) 1/3
  21. 21.Which fraction is greater: 1/4 or 2/7? (a) 2/7 (b) They are equal (c) 1/4
  22. 22.2/3 + 2/4 = ? (a) 13/12 (b) 5/4 (c) 7/6 (d) 4/7
  23. 23.2/3 + 5/6 = ? (a) 5/3 (b) 4/3 (c) 3/2 (d) 7/9
  24. 24.Which fraction is greater: 2/11 or 1/3? (a) They are equal (b) 2/11 (c) 1/3
  25. 25.1/2 + 1/4 = ? (a) 3/4 (b) 1/2 (c) 1 (d) 1/3
  26. 26.What is 2/5 of 35? (a) 15 (b) 14 (c) 7 (d) 21
  27. 27.What is 3/5 of 55? (a) 11 (b) 44 (c) 22 (d) 33
  28. 28.What is 2/5 of 30? (a) 12 (b) 18 (c) 13 (d) 6
  29. 29.Which fraction is greater: 1/4 or 1/5? (a) 1/4 (b) 1/5 (c) They are equal
  30. 30.Which fraction is greater: 7/12 or 1/3? (a) They are equal (b) 1/3 (c) 7/12
  31. 31.5/6 + 4/9 = ? (a) 11/9 (b) 3/5 (c) 23/18 (d) 4/3
  32. 32.2/3 + 2/3 = ? (a) 2/3 (b) 4/3 (c) 5/3 (d) 1
  33. 33.Which fraction is greater: 1/8 or 1/4? (a) 1/8 (b) 1/4 (c) They are equal
  34. 34.2/4 + 1/3 = ? (a) 11/12 (b) 5/6 (c) 3/7 (d) 3/4
  35. 35.Which fraction is greater: 3/4 or 5/6? (a) They are equal (b) 5/6 (c) 3/4
  36. 36.What is 1/6 of 72? (a) 12 (b) 13 (c) 24 (d) 60
  37. 37.What is 1/4 of 20? (a) 10 (b) 6 (c) 5 (d) 15
  38. 38.Which fraction is greater: 3/8 or 8/11? (a) They are equal (b) 8/11 (c) 3/8
  39. 39.1/6 + 3/9 = ? (a) 4/15 (b) 4/9 (c) 1/2 (d) 5/9
  40. 40.Which fraction is greater: 5/11 or 2/3? (a) 5/11 (b) They are equal (c) 2/3

Answer key

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

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