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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 249 · 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: 9/11 or 1/8? (a) They are equal (b) 9/11 (c) 1/8
  2. 2.Which fraction is greater: 3/11 or 2/5? (a) They are equal (b) 2/5 (c) 3/11
  3. 3.Which fraction is greater: 1/9 or 2/7? (a) 1/9 (b) 2/7 (c) They are equal
  4. 4.What is 4/9 of 72? (a) 33 (b) 8 (c) 32 (d) 40
  5. 5.What is 7/9 of 108? (a) 96 (b) 12 (c) 24 (d) 84
  6. 6.Which fraction is greater: 5/11 or 2/5? (a) 2/5 (b) They are equal (c) 5/11
  7. 7.Which fraction is greater: 3/4 or 1/11? (a) 1/11 (b) 3/4 (c) They are equal
  8. 8.Which fraction is greater: 5/6 or 4/9? (a) 5/6 (b) 4/9 (c) They are equal
  9. 9.What is 1/2 of 16? (a) 8 (b) 16 (c) 9 (d) 7
  10. 10.What is 2/3 of 21? (a) 14 (b) 7 (c) 15 (d) 21
  11. 11.What is 7/8 of 32? (a) 28 (b) 4 (c) 29 (d) 32
  12. 12.Which fraction is greater: 1/3 or 1/5? (a) 1/5 (b) They are equal (c) 1/3
  13. 13.1/2 + 8/9 = ? (a) 13/9 (b) 9/11 (c) 4/3 (d) 25/18
  14. 14.Which fraction is greater: 4/7 or 11/12? (a) 11/12 (b) They are equal (c) 4/7
  15. 15.Which fraction is greater: 2/5 or 9/10? (a) 9/10 (b) They are equal (c) 2/5
  16. 16.1/3 + 3/6 = ? (a) 1 (b) 2/3 (c) 4/9 (d) 5/6
  17. 17.Which fraction is greater: 1/6 or 5/11? (a) They are equal (b) 5/11 (c) 1/6
  18. 18.Which fraction is greater: 5/6 or 8/9? (a) They are equal (b) 8/9 (c) 5/6
  19. 19.Which fraction is greater: 1/12 or 3/5? (a) 3/5 (b) They are equal (c) 1/12
  20. 20.Which fraction is greater: 3/7 or 1/8? (a) They are equal (b) 3/7 (c) 1/8
  21. 21.2/9 + 3/4 = ? (a) 35/36 (b) 1 (c) 17/18 (d) 5/13
  22. 22.Which fraction is greater: 7/12 or 1/5? (a) They are equal (b) 1/5 (c) 7/12
  23. 23.What is 1/5 of 20? (a) 4 (b) 5 (c) 8 (d) 16
  24. 24.Which fraction is greater: 1/3 or 1/7? (a) 1/3 (b) They are equal (c) 1/7
  25. 25.Which fraction is greater: 4/5 or 9/10? (a) They are equal (b) 4/5 (c) 9/10
  26. 26.1/2 + 1/2 = ? (a) 1/2 (b) 3/2 (c) 2 (d) 1
  27. 27.What is 1/2 of 6? (a) 3 (b) 4 (c) 6 (d) 2
  28. 28.What is 1/9 of 36? (a) 8 (b) 32 (c) 4 (d) 5
  29. 29.Which fraction is greater: 3/5 or 5/11? (a) 5/11 (b) They are equal (c) 3/5
  30. 30.1/3 + 1/5 = ? (a) 1/4 (b) 7/15 (c) 3/5 (d) 8/15
  31. 31.1/4 + 2/3 = ? (a) 1 (b) 11/12 (c) 3/7 (d) 5/6
  32. 32.1/3 + 7/8 = ? (a) 8/11 (b) 5/4 (c) 7/6 (d) 29/24
  33. 33.Which fraction is greater: 3/4 or 6/7? (a) They are equal (b) 6/7 (c) 3/4
  34. 34.Which fraction is greater: 1/6 or 2/3? (a) 2/3 (b) 1/6 (c) They are equal
  35. 35.5/8 + 2/4 = ? (a) 5/4 (b) 9/8 (c) 7/12 (d) 1
  36. 36.Which fraction is greater: 4/5 or 3/7? (a) They are equal (b) 4/5 (c) 3/7
  37. 37.1/8 + 4/6 = ? (a) 5/6 (b) 19/24 (c) 5/14 (d) 3/4
  38. 38.Which fraction is greater: 6/7 or 3/4? (a) 6/7 (b) They are equal (c) 3/4
  39. 39.Which fraction is greater: 5/8 or 2/3? (a) 2/3 (b) 5/8 (c) They are equal
  40. 40.Which fraction is greater: 8/9 or 7/8? (a) 8/9 (b) 7/8 (c) They are equal

Answer key

  1. 9/11
  2. 2/5
  3. 2/7
  4. 32
  5. 84
  6. 5/11
  7. 3/4
  8. 5/6
  9. 8
  10. 14
  11. 28
  12. 1/3
  13. 25/18
  14. 11/12
  15. 9/10
  16. 5/6
  17. 5/11
  18. 8/9
  19. 3/5
  20. 3/7
  21. 35/36
  22. 7/12
  23. 4
  24. 1/3
  25. 9/10
  26. 1
  27. 3
  28. 4
  29. 3/5
  30. 8/15
  31. 11/12
  32. 29/24
  33. 6/7
  34. 2/3
  35. 9/8
  36. 4/5
  37. 19/24
  38. 6/7
  39. 2/3
  40. 8/9

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