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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 937 · 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. 1.6/9 + 1/2 = ? (a) 10/9 (b) 11/9 (c) 7/11 (d) 7/6
  2. 2.What is 1/4 of 16? (a) 12 (b) 5 (c) 8 (d) 4
  3. 3.Which fraction is greater: 1/3 or 1/7? (a) They are equal (b) 1/7 (c) 1/3
  4. 4.Which fraction is greater: 1/5 or 1/3? (a) They are equal (b) 1/5 (c) 1/3
  5. 5.What is 1/3 of 9? (a) 4 (b) 6 (c) 3 (d) 2
  6. 6.Which fraction is greater: 8/9 or 1/3? (a) They are equal (b) 8/9 (c) 1/3
  7. 7.What is 4/9 of 90? (a) 40 (b) 50 (c) 10 (d) 41
  8. 8.1/2 + 2/7 = ? (a) 11/14 (b) 5/7 (c) 6/7 (d) 1/3
  9. 9.4/6 + 2/3 = ? (a) 2/3 (b) 7/6 (c) 3/2 (d) 4/3
  10. 10.What is 5/7 of 28? (a) 8 (b) 4 (c) 20 (d) 24
  11. 11.1/2 + 2/5 = ? (a) 1 (b) 3/7 (c) 4/5 (d) 9/10
  12. 12.What is 7/8 of 80? (a) 80 (b) 70 (c) 71 (d) 10
  13. 13.What is 1/6 of 48? (a) 9 (b) 40 (c) 8 (d) 16
  14. 14.8/9 + 2/3 = ? (a) 5/3 (b) 13/9 (c) 14/9 (d) 5/6
  15. 15.What is 2/3 of 9? (a) 6 (b) 3 (c) 7 (d) 9
  16. 16.2/6 + 3/6 = ? (a) 1 (b) 2/3 (c) 5/6 (d) 5/12
  17. 17.What is 2/3 of 24? (a) 8 (b) 17 (c) 24 (d) 16
  18. 18.What is 2/3 of 30? (a) 10 (b) 21 (c) 30 (d) 20
  19. 19.What is 1/2 of 20? (a) 11 (b) 20 (c) 10 (d) 9
  20. 20.4/6 + 1/9 = ? (a) 13/18 (b) 7/9 (c) 1/3 (d) 5/6
  21. 21.What is 1/7 of 35? (a) 6 (b) 30 (c) 5 (d) 10
  22. 22.What is 3/8 of 48? (a) 24 (b) 18 (c) 6 (d) 30
  23. 23.1/3 + 2/3 = ? (a) 1/2 (b) 1 (c) 4/3 (d) 2/3
  24. 24.Which fraction is greater: 8/11 or 5/7? (a) 5/7 (b) They are equal (c) 8/11
  25. 25.Which fraction is greater: 2/3 or 1/6? (a) They are equal (b) 1/6 (c) 2/3
  26. 26.Which fraction is greater: 2/3 or 5/6? (a) They are equal (b) 5/6 (c) 2/3
  27. 27.2/4 + 1/2 = ? (a) 1/2 (b) 1 (c) 3/4 (d) 5/4
  28. 28.1/2 + 1/6 = ? (a) 1/2 (b) 2/3 (c) 5/6 (d) 1/4
  29. 29.Which fraction is greater: 2/3 or 8/9? (a) They are equal (b) 2/3 (c) 8/9
  30. 30.Which fraction is greater: 3/5 or 3/8? (a) They are equal (b) 3/8 (c) 3/5
  31. 31.What is 1/3 of 18? (a) 12 (b) 6 (c) 5 (d) 7
  32. 32.Which fraction is greater: 5/7 or 11/12? (a) 5/7 (b) They are equal (c) 11/12
  33. 33.2/4 + 3/5 = ? (a) 11/10 (b) 5/9 (c) 23/20 (d) 21/20
  34. 34.Which fraction is greater: 4/11 or 3/4? (a) They are equal (b) 3/4 (c) 4/11
  35. 35.What is 1/8 of 88? (a) 77 (b) 12 (c) 11 (d) 22
  36. 36.1/3 + 1/8 = ? (a) 5/12 (b) 2/11 (c) 11/24 (d) 1/2
  37. 37.What is 2/5 of 20? (a) 9 (b) 12 (c) 4 (d) 8
  38. 38.3/8 + 1/2 = ? (a) 2/5 (b) 1 (c) 7/8 (d) 3/4
  39. 39.What is 1/7 of 77? (a) 22 (b) 66 (c) 11 (d) 12
  40. 40.4/8 + 1/4 = ? (a) 5/12 (b) 7/8 (c) 5/8 (d) 3/4

Answer key

  1. 7/6
  2. 4
  3. 1/3
  4. 1/3
  5. 3
  6. 8/9
  7. 40
  8. 11/14
  9. 4/3
  10. 20
  11. 9/10
  12. 70
  13. 8
  14. 14/9
  15. 6
  16. 5/6
  17. 16
  18. 20
  19. 10
  20. 7/9
  21. 5
  22. 18
  23. 1
  24. 8/11
  25. 2/3
  26. 5/6
  27. 1
  28. 2/3
  29. 8/9
  30. 3/5
  31. 6
  32. 11/12
  33. 11/10
  34. 3/4
  35. 11
  36. 11/24
  37. 8
  38. 7/8
  39. 11
  40. 3/4

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