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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 969 · 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 2/5 of 30? (a) 13 (b) 6 (c) 18 (d) 12
  2. 2.Which fraction is greater: 9/11 or 1/3? (a) They are equal (b) 1/3 (c) 9/11
  3. 3.Which fraction is greater: 2/3 or 3/5? (a) 3/5 (b) 2/3 (c) They are equal
  4. 4.1/3 + 2/4 = ? (a) 3/7 (b) 3/4 (c) 5/6 (d) 11/12
  5. 5.Which fraction is greater: 1/5 or 5/7? (a) They are equal (b) 1/5 (c) 5/7
  6. 6.What is 3/5 of 15? (a) 9 (b) 3 (c) 12 (d) 6
  7. 7.Which fraction is greater: 1/3 or 4/11? (a) 1/3 (b) They are equal (c) 4/11
  8. 8.1/3 + 2/6 = ? (a) 2/3 (b) 5/6 (c) 1/2 (d) 1/3
  9. 9.Which fraction is greater: 1/3 or 1/7? (a) 1/3 (b) 1/7 (c) They are equal
  10. 10.Which fraction is greater: 1/10 or 4/7? (a) They are equal (b) 1/10 (c) 4/7
  11. 11.3/4 + 1/4 = ? (a) 1/2 (b) 5/4 (c) 1 (d) 3/4
  12. 12.What is 1/2 of 6? (a) 6 (b) 2 (c) 3 (d) 4
  13. 13.What is 3/5 of 25? (a) 15 (b) 5 (c) 10 (d) 20
  14. 14.3/9 + 1/3 = ? (a) 2/3 (b) 7/9 (c) 5/9 (d) 1/3
  15. 15.3/9 + 7/9 = ? (a) 5/9 (b) 11/9 (c) 10/9 (d) 1
  16. 16.1/2 + 2/7 = ? (a) 5/7 (b) 11/14 (c) 1/3 (d) 6/7
  17. 17.Which fraction is greater: 4/7 or 5/11? (a) 5/11 (b) 4/7 (c) They are equal
  18. 18.What is 3/4 of 32? (a) 25 (b) 24 (c) 32 (d) 8
  19. 19.What is 2/7 of 21? (a) 15 (b) 3 (c) 9 (d) 6
  20. 20.1/4 + 2/3 = ? (a) 5/6 (b) 11/12 (c) 1 (d) 3/7
  21. 21.Which fraction is greater: 6/7 or 2/3? (a) They are equal (b) 2/3 (c) 6/7
  22. 22.1/3 + 1/4 = ? (a) 7/12 (b) 2/3 (c) 2/7 (d) 1/2
  23. 23.What is 1/2 of 10? (a) 10 (b) 5 (c) 6 (d) 4
  24. 24.What is 3/5 of 20? (a) 8 (b) 4 (c) 12 (d) 16
  25. 25.Which fraction is greater: 1/5 or 1/3? (a) 1/5 (b) They are equal (c) 1/3
  26. 26.What is 1/5 of 55? (a) 44 (b) 22 (c) 12 (d) 11
  27. 27.Which fraction is greater: 3/8 or 3/4? (a) 3/8 (b) They are equal (c) 3/4
  28. 28.What is 1/9 of 90? (a) 10 (b) 11 (c) 80 (d) 20
  29. 29.3/4 + 1/2 = ? (a) 1 (b) 3/2 (c) 2/3 (d) 5/4
  30. 30.1/2 + 6/9 = ? (a) 7/11 (b) 10/9 (c) 11/9 (d) 7/6
  31. 31.What is 3/4 of 36? (a) 36 (b) 9 (c) 28 (d) 27
  32. 32.What is 1/6 of 18? (a) 3 (b) 4 (c) 15 (d) 6
  33. 33.1/6 + 3/4 = ? (a) 2/5 (b) 1 (c) 11/12 (d) 5/6
  34. 34.What is 1/2 of 24? (a) 13 (b) 24 (c) 12 (d) 11
  35. 35.2/8 + 1/2 = ? (a) 5/8 (b) 3/4 (c) 3/10 (d) 7/8
  36. 36.2/4 + 1/2 = ? (a) 5/4 (b) 1 (c) 3/4 (d) 1/2
  37. 37.1/2 + 3/7 = ? (a) 1 (b) 6/7 (c) 4/9 (d) 13/14
  38. 38.1/8 + 5/8 = ? (a) 5/8 (b) 3/8 (c) 7/8 (d) 3/4
  39. 39.1/6 + 1/3 = ? (a) 2/3 (b) 1/3 (c) 1/2 (d) 2/9
  40. 40.Which fraction is greater: 2/7 or 3/5? (a) 2/7 (b) They are equal (c) 3/5

Answer key

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

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