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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 672 · 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.What is 3/7 of 70? (a) 10 (b) 40 (c) 30 (d) 31
  2. 2.What is 1/8 of 32? (a) 4 (b) 5 (c) 8 (d) 28
  3. 3.Which fraction is greater: 5/8 or 4/7? (a) 5/8 (b) 4/7 (c) They are equal
  4. 4.2/3 + 1/5 = ? (a) 13/15 (b) 14/15 (c) 3/8 (d) 4/5
  5. 5.Which fraction is greater: 3/4 or 3/5? (a) They are equal (b) 3/4 (c) 3/5
  6. 6.Which fraction is greater: 4/7 or 1/5? (a) 4/7 (b) 1/5 (c) They are equal
  7. 7.What is 1/3 of 21? (a) 8 (b) 6 (c) 14 (d) 7
  8. 8.5/6 + 5/6 = ? (a) 5/6 (b) 11/6 (c) 3/2 (d) 5/3
  9. 9.What is 1/5 of 20? (a) 5 (b) 8 (c) 4 (d) 16
  10. 10.What is 5/9 of 108? (a) 72 (b) 48 (c) 60 (d) 12
  11. 11.1/8 + 5/6 = ? (a) 3/7 (b) 11/12 (c) 23/24 (d) 1
  12. 12.What is 5/7 of 35? (a) 30 (b) 25 (c) 5 (d) 10
  13. 13.1/2 + 3/8 = ? (a) 1 (b) 3/4 (c) 2/5 (d) 7/8
  14. 14.What is 5/8 of 32? (a) 4 (b) 12 (c) 20 (d) 24
  15. 15.Which fraction is greater: 7/12 or 6/11? (a) 7/12 (b) 6/11 (c) They are equal
  16. 16.Which fraction is greater: 1/4 or 1/3? (a) They are equal (b) 1/4 (c) 1/3
  17. 17.Which fraction is greater: 2/3 or 1/8? (a) They are equal (b) 1/8 (c) 2/3
  18. 18.4/5 + 5/6 = ? (a) 5/3 (b) 8/5 (c) 49/30 (d) 9/11
  19. 19.What is 1/2 of 22? (a) 11 (b) 10 (c) 12 (d) 22
  20. 20.Which fraction is greater: 1/4 or 2/3? (a) They are equal (b) 1/4 (c) 2/3
  21. 21.1/2 + 3/5 = ? (a) 11/10 (b) 4/7 (c) 1 (d) 6/5
  22. 22.Which fraction is greater: 1/11 or 6/7? (a) 1/11 (b) They are equal (c) 6/7
  23. 23.What is 6/7 of 56? (a) 56 (b) 48 (c) 8 (d) 49
  24. 24.What is 2/3 of 18? (a) 6 (b) 12 (c) 13 (d) 18
  25. 25.Which fraction is greater: 1/3 or 5/7? (a) 5/7 (b) They are equal (c) 1/3
  26. 26.1/2 + 1/3 = ? (a) 1 (b) 5/6 (c) 2/3 (d) 2/5
  27. 27.What is 1/4 of 40? (a) 20 (b) 11 (c) 10 (d) 30
  28. 28.1/2 + 1/7 = ? (a) 2/9 (b) 4/7 (c) 5/7 (d) 9/14
  29. 29.4/6 + 2/8 = ? (a) 3/7 (b) 7/8 (c) 23/24 (d) 11/12
  30. 30.2/4 + 7/8 = ? (a) 3/2 (b) 11/8 (c) 5/4 (d) 3/4
  31. 31.What is 1/3 of 30? (a) 20 (b) 9 (c) 11 (d) 10
  32. 32.1/3 + 3/7 = ? (a) 2/5 (b) 17/21 (c) 16/21 (d) 5/7
  33. 33.Which fraction is greater: 3/5 or 3/7? (a) 3/7 (b) They are equal (c) 3/5
  34. 34.What is 1/9 of 99? (a) 88 (b) 12 (c) 11 (d) 22
  35. 35.Which fraction is greater: 7/9 or 3/4? (a) 7/9 (b) 3/4 (c) They are equal
  36. 36.Which fraction is greater: 3/4 or 5/8? (a) 5/8 (b) They are equal (c) 3/4
  37. 37.1/6 + 2/3 = ? (a) 2/3 (b) 5/6 (c) 1/3 (d) 1
  38. 38.What is 7/9 of 63? (a) 14 (b) 7 (c) 49 (d) 56
  39. 39.What is 5/7 of 56? (a) 8 (b) 40 (c) 48 (d) 16
  40. 40.Which fraction is greater: 3/4 or 2/3? (a) 3/4 (b) They are equal (c) 2/3

Answer key

  1. 30
  2. 4
  3. 5/8
  4. 13/15
  5. 3/4
  6. 4/7
  7. 7
  8. 5/3
  9. 4
  10. 60
  11. 23/24
  12. 25
  13. 7/8
  14. 20
  15. 7/12
  16. 1/3
  17. 2/3
  18. 49/30
  19. 11
  20. 2/3
  21. 11/10
  22. 6/7
  23. 48
  24. 12
  25. 5/7
  26. 5/6
  27. 10
  28. 9/14
  29. 11/12
  30. 11/8
  31. 10
  32. 16/21
  33. 3/5
  34. 11
  35. 7/9
  36. 3/4
  37. 5/6
  38. 49
  39. 40
  40. 3/4

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