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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 4 · 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: 1/4 or 4/7? (a) They are equal (b) 4/7 (c) 1/4
  2. 2.6/8 + 2/8 = ? (a) 1/2 (b) 1 (c) 7/8 (d) 9/8
  3. 3.Which fraction is greater: 3/5 or 2/3? (a) 3/5 (b) They are equal (c) 2/3
  4. 4.What is 1/6 of 18? (a) 3 (b) 4 (c) 15 (d) 6
  5. 5.What is 1/8 of 16? (a) 14 (b) 3 (c) 2 (d) 4
  6. 6.1/4 + 1/2 = ? (a) 1/2 (b) 1 (c) 1/3 (d) 3/4
  7. 7.6/7 + 2/4 = ? (a) 37/28 (b) 39/28 (c) 19/14 (d) 8/11
  8. 8.What is 5/9 of 36? (a) 24 (b) 4 (c) 20 (d) 16
  9. 9.What is 5/8 of 72? (a) 45 (b) 27 (c) 54 (d) 9
  10. 10.Which fraction is greater: 7/10 or 1/5? (a) They are equal (b) 7/10 (c) 1/5
  11. 11.Which fraction is greater: 2/3 or 3/7? (a) 2/3 (b) 3/7 (c) They are equal
  12. 12.1/2 + 3/6 = ? (a) 1 (b) 7/6 (c) 1/2 (d) 5/6
  13. 13.2/5 + 1/2 = ? (a) 1 (b) 9/10 (c) 4/5 (d) 3/7
  14. 14.Which fraction is greater: 1/4 or 3/5? (a) 1/4 (b) They are equal (c) 3/5
  15. 15.What is 7/9 of 108? (a) 12 (b) 24 (c) 96 (d) 84
  16. 16.Which fraction is greater: 3/5 or 3/8? (a) 3/8 (b) 3/5 (c) They are equal
  17. 17.What is 1/8 of 32? (a) 4 (b) 28 (c) 8 (d) 5
  18. 18.4/5 + 1/3 = ? (a) 16/15 (b) 5/8 (c) 6/5 (d) 17/15
  19. 19.1/2 + 1/5 = ? (a) 2/7 (b) 7/10 (c) 4/5 (d) 3/5
  20. 20.1/2 + 1/7 = ? (a) 2/9 (b) 4/7 (c) 9/14 (d) 5/7
  21. 21.What is 1/2 of 14? (a) 8 (b) 6 (c) 7 (d) 14
  22. 22.Which fraction is greater: 5/9 or 1/4? (a) 5/9 (b) 1/4 (c) They are equal
  23. 23.Which fraction is greater: 1/3 or 3/8? (a) 1/3 (b) 3/8 (c) They are equal
  24. 24.5/6 + 7/8 = ? (a) 41/24 (b) 5/3 (c) 6/7 (d) 7/4
  25. 25.What is 1/5 of 10? (a) 8 (b) 3 (c) 4 (d) 2
  26. 26.1/5 + 1/4 = ? (a) 2/5 (b) 9/20 (c) 2/9 (d) 1/2
  27. 27.4/6 + 1/3 = ? (a) 5/6 (b) 5/9 (c) 1 (d) 7/6
  28. 28.What is 1/2 of 8? (a) 5 (b) 3 (c) 4 (d) 8
  29. 29.What is 5/7 of 70? (a) 10 (b) 20 (c) 60 (d) 50
  30. 30.3/4 + 4/5 = ? (a) 31/20 (b) 8/5 (c) 3/2 (d) 7/9
  31. 31.What is 4/5 of 10? (a) 9 (b) 2 (c) 10 (d) 8
  32. 32.What is 1/4 of 36? (a) 9 (b) 10 (c) 18 (d) 27
  33. 33.1/5 + 5/6 = ? (a) 1 (b) 6/11 (c) 16/15 (d) 31/30
  34. 34.Which fraction is greater: 2/3 or 5/11? (a) 5/11 (b) They are equal (c) 2/3
  35. 35.2/4 + 5/6 = ? (a) 5/4 (b) 17/12 (c) 4/3 (d) 7/10
  36. 36.What is 5/7 of 21? (a) 3 (b) 15 (c) 18 (d) 6
  37. 37.What is 2/3 of 36? (a) 25 (b) 36 (c) 24 (d) 12
  38. 38.3/4 + 1/3 = ? (a) 4/7 (b) 13/12 (c) 7/6 (d) 1
  39. 39.1/4 + 2/6 = ? (a) 2/3 (b) 1/2 (c) 7/12 (d) 3/10
  40. 40.Which fraction is greater: 2/9 or 1/3? (a) 1/3 (b) They are equal (c) 2/9

Answer key

  1. 4/7
  2. 1
  3. 2/3
  4. 3
  5. 2
  6. 3/4
  7. 19/14
  8. 20
  9. 45
  10. 7/10
  11. 2/3
  12. 1
  13. 9/10
  14. 3/5
  15. 84
  16. 3/5
  17. 4
  18. 17/15
  19. 7/10
  20. 9/14
  21. 7
  22. 5/9
  23. 3/8
  24. 41/24
  25. 2
  26. 9/20
  27. 1
  28. 4
  29. 50
  30. 31/20
  31. 8
  32. 9
  33. 31/30
  34. 2/3
  35. 4/3
  36. 15
  37. 24
  38. 13/12
  39. 7/12
  40. 1/3

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