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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 574 · 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. 1.1/2 + 2/3 = ? (a) 7/6 (b) 1 (c) 4/3 (d) 3/5
  2. 2.1/8 + 6/8 = ? (a) 3/4 (b) 1 (c) 7/8 (d) 7/16
  3. 3.1/2 + 3/5 = ? (a) 1 (b) 11/10 (c) 4/7 (d) 6/5
  4. 4.1/2 + 1/4 = ? (a) 3/4 (b) 1/2 (c) 1 (d) 1/3
  5. 5.What is 5/8 of 24? (a) 9 (b) 3 (c) 15 (d) 18
  6. 6.Which fraction is greater: 1/4 or 2/3? (a) 1/4 (b) They are equal (c) 2/3
  7. 7.Which fraction is greater: 2/5 or 4/9? (a) 2/5 (b) 4/9 (c) They are equal
  8. 8.6/9 + 4/9 = ? (a) 5/9 (b) 10/9 (c) 1 (d) 11/9
  9. 9.5/6 + 1/8 = ? (a) 1 (b) 23/24 (c) 3/7 (d) 11/12
  10. 10.Which fraction is greater: 1/7 or 1/9? (a) 1/9 (b) They are equal (c) 1/7
  11. 11.What is 6/7 of 63? (a) 63 (b) 54 (c) 55 (d) 9
  12. 12.Which fraction is greater: 1/5 or 5/12? (a) 5/12 (b) They are equal (c) 1/5
  13. 13.1/3 + 4/6 = ? (a) 7/6 (b) 1 (c) 5/6 (d) 5/9
  14. 14.What is 1/2 of 8? (a) 5 (b) 4 (c) 3 (d) 8
  15. 15.Which fraction is greater: 2/9 or 2/3? (a) 2/3 (b) They are equal (c) 2/9
  16. 16.1/7 + 1/7 = ? (a) 3/7 (b) 2/7 (c) 1/7 (d) 4/7
  17. 17.5/8 + 1/3 = ? (a) 11/12 (b) 1 (c) 6/11 (d) 23/24
  18. 18.Which fraction is greater: 11/12 or 2/3? (a) 2/3 (b) 11/12 (c) They are equal
  19. 19.Which fraction is greater: 10/11 or 1/3? (a) They are equal (b) 1/3 (c) 10/11
  20. 20.Which fraction is greater: 5/9 or 5/7? (a) 5/9 (b) They are equal (c) 5/7
  21. 21.What is 3/5 of 10? (a) 2 (b) 8 (c) 6 (d) 4
  22. 22.1/6 + 1/3 = ? (a) 1/3 (b) 2/3 (c) 2/9 (d) 1/2
  23. 23.What is 5/6 of 54? (a) 46 (b) 54 (c) 45 (d) 9
  24. 24.3/7 + 1/2 = ? (a) 1 (b) 13/14 (c) 4/9 (d) 6/7
  25. 25.2/7 + 2/3 = ? (a) 19/21 (b) 1 (c) 20/21 (d) 2/5
  26. 26.What is 5/9 of 36? (a) 24 (b) 16 (c) 20 (d) 4
  27. 27.1/8 + 1/2 = ? (a) 5/8 (b) 3/4 (c) 1/2 (d) 1/5
  28. 28.Which fraction is greater: 3/5 or 11/12? (a) 11/12 (b) They are equal (c) 3/5
  29. 29.2/6 + 3/4 = ? (a) 1 (b) 13/12 (c) 7/6 (d) 1/2
  30. 30.What is 1/4 of 20? (a) 6 (b) 10 (c) 15 (d) 5
  31. 31.Which fraction is greater: 2/9 or 1/5? (a) 2/9 (b) They are equal (c) 1/5
  32. 32.4/5 + 1/2 = ? (a) 7/5 (b) 5/7 (c) 13/10 (d) 6/5
  33. 33.What is 1/2 of 16? (a) 9 (b) 7 (c) 8 (d) 16
  34. 34.Which fraction is greater: 2/5 or 1/3? (a) 2/5 (b) They are equal (c) 1/3
  35. 35.What is 5/6 of 12? (a) 2 (b) 12 (c) 10 (d) 11
  36. 36.What is 6/7 of 56? (a) 48 (b) 49 (c) 8 (d) 56
  37. 37.Which fraction is greater: 5/6 or 7/9? (a) 5/6 (b) 7/9 (c) They are equal
  38. 38.1/3 + 3/7 = ? (a) 17/21 (b) 2/5 (c) 16/21 (d) 5/7
  39. 39.Which fraction is greater: 2/9 or 1/3? (a) 1/3 (b) They are equal (c) 2/9
  40. 40.What is 3/4 of 48? (a) 48 (b) 37 (c) 36 (d) 12

Answer key

  1. 7/6
  2. 7/8
  3. 11/10
  4. 3/4
  5. 15
  6. 2/3
  7. 4/9
  8. 10/9
  9. 23/24
  10. 1/7
  11. 54
  12. 5/12
  13. 1
  14. 4
  15. 2/3
  16. 2/7
  17. 23/24
  18. 11/12
  19. 10/11
  20. 5/7
  21. 6
  22. 1/2
  23. 45
  24. 13/14
  25. 20/21
  26. 20
  27. 5/8
  28. 11/12
  29. 13/12
  30. 5
  31. 2/9
  32. 13/10
  33. 8
  34. 2/5
  35. 10
  36. 48
  37. 5/6
  38. 16/21
  39. 1/3
  40. 36

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