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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 514 · 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: 8/9 or 1/11? (a) They are equal (b) 8/9 (c) 1/11
  2. 2.4/7 + 1/2 = ? (a) 5/9 (b) 8/7 (c) 1 (d) 15/14
  3. 3.Which fraction is greater: 1/3 or 1/5? (a) 1/3 (b) 1/5 (c) They are equal
  4. 4.What is 1/2 of 16? (a) 8 (b) 7 (c) 9 (d) 16
  5. 5.5/8 + 2/3 = ? (a) 5/4 (b) 4/3 (c) 7/11 (d) 31/24
  6. 6.Which fraction is greater: 2/9 or 2/5? (a) They are equal (b) 2/5 (c) 2/9
  7. 7.Which fraction is greater: 2/9 or 3/7? (a) 2/9 (b) They are equal (c) 3/7
  8. 8.1/3 + 1/5 = ? (a) 7/15 (b) 8/15 (c) 1/4 (d) 3/5
  9. 9.6/7 + 3/4 = ? (a) 45/28 (b) 11/7 (c) 9/11 (d) 23/14
  10. 10.1/5 + 2/4 = ? (a) 1/3 (b) 13/20 (c) 3/4 (d) 7/10
  11. 11.What is 5/7 of 14? (a) 4 (b) 10 (c) 2 (d) 12
  12. 12.What is 2/7 of 63? (a) 27 (b) 45 (c) 9 (d) 18
  13. 13.Which fraction is greater: 10/11 or 2/7? (a) 10/11 (b) 2/7 (c) They are equal
  14. 14.Which fraction is greater: 7/11 or 4/9? (a) 7/11 (b) They are equal (c) 4/9
  15. 15.Which fraction is greater: 1/4 or 5/6? (a) 1/4 (b) 5/6 (c) They are equal
  16. 16.Which fraction is greater: 1/7 or 2/5? (a) 1/7 (b) They are equal (c) 2/5
  17. 17.Which fraction is greater: 3/7 or 3/5? (a) They are equal (b) 3/7 (c) 3/5
  18. 18.What is 1/2 of 20? (a) 20 (b) 10 (c) 9 (d) 11
  19. 19.5/9 + 1/4 = ? (a) 7/9 (b) 5/6 (c) 29/36 (d) 6/13
  20. 20.What is 8/9 of 45? (a) 40 (b) 41 (c) 45 (d) 5
  21. 21.What is 1/2 of 18? (a) 18 (b) 8 (c) 10 (d) 9
  22. 22.Which fraction is greater: 5/6 or 7/12? (a) 5/6 (b) They are equal (c) 7/12
  23. 23.2/4 + 2/6 = ? (a) 11/12 (b) 5/6 (c) 3/4 (d) 2/5
  24. 24.Which fraction is greater: 3/4 or 7/12? (a) They are equal (b) 3/4 (c) 7/12
  25. 25.Which fraction is greater: 1/4 or 7/12? (a) 7/12 (b) 1/4 (c) They are equal
  26. 26.What is 1/7 of 56? (a) 8 (b) 9 (c) 48 (d) 16
  27. 27.2/3 + 1/3 = ? (a) 1 (b) 2/3 (c) 1/2 (d) 4/3
  28. 28.Which fraction is greater: 3/5 or 1/4? (a) 1/4 (b) They are equal (c) 3/5
  29. 29.Which fraction is greater: 8/9 or 1/4? (a) They are equal (b) 8/9 (c) 1/4
  30. 30.Which fraction is greater: 5/6 or 4/5? (a) 4/5 (b) They are equal (c) 5/6
  31. 31.Which fraction is greater: 1/7 or 1/3? (a) 1/7 (b) 1/3 (c) They are equal
  32. 32.What is 4/5 of 45? (a) 37 (b) 45 (c) 9 (d) 36
  33. 33.2/6 + 3/6 = ? (a) 2/3 (b) 5/12 (c) 1 (d) 5/6
  34. 34.1/2 + 5/7 = ? (a) 17/14 (b) 8/7 (c) 2/3 (d) 9/7
  35. 35.1/2 + 8/9 = ? (a) 25/18 (b) 4/3 (c) 9/11 (d) 13/9
  36. 36.Which fraction is greater: 1/3 or 5/8? (a) 5/8 (b) They are equal (c) 1/3
  37. 37.1/4 + 4/5 = ? (a) 21/20 (b) 1 (c) 11/10 (d) 5/9
  38. 38.Which fraction is greater: 5/6 or 1/3? (a) 1/3 (b) They are equal (c) 5/6
  39. 39.What is 1/5 of 20? (a) 16 (b) 5 (c) 8 (d) 4
  40. 40.What is 1/5 of 10? (a) 8 (b) 4 (c) 3 (d) 2

Answer key

  1. 8/9
  2. 15/14
  3. 1/3
  4. 8
  5. 31/24
  6. 2/5
  7. 3/7
  8. 8/15
  9. 45/28
  10. 7/10
  11. 10
  12. 18
  13. 10/11
  14. 7/11
  15. 5/6
  16. 2/5
  17. 3/5
  18. 10
  19. 29/36
  20. 40
  21. 9
  22. 5/6
  23. 5/6
  24. 3/4
  25. 7/12
  26. 8
  27. 1
  28. 3/5
  29. 8/9
  30. 5/6
  31. 1/3
  32. 36
  33. 5/6
  34. 17/14
  35. 25/18
  36. 5/8
  37. 21/20
  38. 5/6
  39. 4
  40. 2

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