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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 555 · 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: 2/5 or 7/12? (a) 2/5 (b) They are equal (c) 7/12
  2. 2.What is 1/3 of 21? (a) 7 (b) 14 (c) 6 (d) 8
  3. 3.1/7 + 2/3 = ? (a) 6/7 (b) 17/21 (c) 3/10 (d) 16/21
  4. 4.Which fraction is greater: 4/11 or 2/9? (a) 4/11 (b) 2/9 (c) They are equal
  5. 5.1/6 + 1/2 = ? (a) 5/6 (b) 2/3 (c) 1/2 (d) 1/4
  6. 6.What is 1/5 of 20? (a) 16 (b) 8 (c) 5 (d) 4
  7. 7.What is 1/3 of 12? (a) 4 (b) 5 (c) 3 (d) 8
  8. 8.Which fraction is greater: 3/4 or 3/5? (a) They are equal (b) 3/5 (c) 3/4
  9. 9.Which fraction is greater: 1/8 or 1/3? (a) 1/3 (b) 1/8 (c) They are equal
  10. 10.Which fraction is greater: 1/4 or 1/3? (a) They are equal (b) 1/3 (c) 1/4
  11. 11.Which fraction is greater: 7/12 or 1/6? (a) They are equal (b) 1/6 (c) 7/12
  12. 12.Which fraction is greater: 1/7 or 5/6? (a) 1/7 (b) 5/6 (c) They are equal
  13. 13.Which fraction is greater: 9/11 or 7/9? (a) They are equal (b) 9/11 (c) 7/9
  14. 14.1/4 + 1/2 = ? (a) 3/4 (b) 1/3 (c) 1 (d) 1/2
  15. 15.1/9 + 2/3 = ? (a) 2/3 (b) 7/9 (c) 1/4 (d) 8/9
  16. 16.Which fraction is greater: 7/9 or 1/3? (a) They are equal (b) 1/3 (c) 7/9
  17. 17.3/7 + 2/3 = ? (a) 8/7 (b) 23/21 (c) 22/21 (d) 1/2
  18. 18.8/9 + 8/9 = ? (a) 5/3 (b) 17/9 (c) 16/9 (d) 8/9
  19. 19.2/3 + 3/6 = ? (a) 1 (b) 5/9 (c) 7/6 (d) 4/3
  20. 20.3/4 + 2/4 = ? (a) 5/4 (b) 3/2 (c) 5/8 (d) 1
  21. 21.What is 4/5 of 30? (a) 6 (b) 30 (c) 24 (d) 25
  22. 22.What is 4/7 of 56? (a) 24 (b) 40 (c) 8 (d) 32
  23. 23.What is 3/4 of 32? (a) 32 (b) 24 (c) 25 (d) 8
  24. 24.What is 1/2 of 14? (a) 8 (b) 14 (c) 7 (d) 6
  25. 25.Which fraction is greater: 1/6 or 1/7? (a) They are equal (b) 1/7 (c) 1/6
  26. 26.1/4 + 4/7 = ? (a) 5/11 (b) 23/28 (c) 6/7 (d) 11/14
  27. 27.1/5 + 3/4 = ? (a) 9/10 (b) 19/20 (c) 1 (d) 4/9
  28. 28.What is 1/2 of 24? (a) 11 (b) 12 (c) 24 (d) 13
  29. 29.2/3 + 1/4 = ? (a) 1 (b) 11/12 (c) 3/7 (d) 5/6
  30. 30.2/3 + 5/8 = ? (a) 5/4 (b) 31/24 (c) 7/11 (d) 4/3
  31. 31.Which fraction is greater: 1/9 or 4/7? (a) They are equal (b) 4/7 (c) 1/9
  32. 32.2/4 + 3/4 = ? (a) 5/8 (b) 1 (c) 5/4 (d) 3/2
  33. 33.3/4 + 1/8 = ? (a) 1 (b) 1/3 (c) 7/8 (d) 3/4
  34. 34.3/6 + 1/9 = ? (a) 11/18 (b) 5/9 (c) 4/15 (d) 2/3
  35. 35.3/4 + 5/7 = ? (a) 10/7 (b) 3/2 (c) 8/11 (d) 41/28
  36. 36.1/2 + 2/3 = ? (a) 1 (b) 7/6 (c) 4/3 (d) 3/5
  37. 37.Which fraction is greater: 10/11 or 4/7? (a) 4/7 (b) They are equal (c) 10/11
  38. 38.2/5 + 2/4 = ? (a) 4/9 (b) 9/10 (c) 17/20 (d) 19/20
  39. 39.1/3 + 1/7 = ? (a) 1/5 (b) 3/7 (c) 10/21 (d) 11/21
  40. 40.Which fraction is greater: 8/9 or 9/10? (a) 8/9 (b) They are equal (c) 9/10

Answer key

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

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