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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 14 · 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: 4/5 or 9/10? (a) 4/5 (b) 9/10 (c) They are equal
  2. 2.Which fraction is greater: 4/5 or 7/8? (a) 4/5 (b) They are equal (c) 7/8
  3. 3.Which fraction is greater: 1/6 or 1/4? (a) 1/6 (b) 1/4 (c) They are equal
  4. 4.What is 5/6 of 12? (a) 10 (b) 2 (c) 11 (d) 12
  5. 5.Which fraction is greater: 1/5 or 3/10? (a) 1/5 (b) They are equal (c) 3/10
  6. 6.Which fraction is greater: 1/5 or 2/11? (a) They are equal (b) 1/5 (c) 2/11
  7. 7.1/3 + 8/9 = ? (a) 11/9 (b) 3/4 (c) 10/9 (d) 4/3
  8. 8.1/4 + 1/2 = ? (a) 1 (b) 1/3 (c) 1/2 (d) 3/4
  9. 9.What is 1/2 of 10? (a) 4 (b) 5 (c) 6 (d) 10
  10. 10.1/2 + 1/5 = ? (a) 7/10 (b) 4/5 (c) 3/5 (d) 2/7
  11. 11.5/7 + 1/2 = ? (a) 9/7 (b) 2/3 (c) 17/14 (d) 8/7
  12. 12.3/4 + 1/2 = ? (a) 3/2 (b) 2/3 (c) 1 (d) 5/4
  13. 13.What is 1/4 of 40? (a) 30 (b) 10 (c) 11 (d) 20
  14. 14.Which fraction is greater: 3/4 or 1/3? (a) They are equal (b) 3/4 (c) 1/3
  15. 15.Which fraction is greater: 2/3 or 3/4? (a) 2/3 (b) They are equal (c) 3/4
  16. 16.1/5 + 1/2 = ? (a) 4/5 (b) 3/5 (c) 7/10 (d) 2/7
  17. 17.Which fraction is greater: 1/3 or 4/5? (a) 4/5 (b) 1/3 (c) They are equal
  18. 18.2/6 + 1/2 = ? (a) 5/6 (b) 1 (c) 2/3 (d) 3/8
  19. 19.1/2 + 2/3 = ? (a) 7/6 (b) 1 (c) 4/3 (d) 3/5
  20. 20.What is 1/2 of 22? (a) 22 (b) 11 (c) 10 (d) 12
  21. 21.Which fraction is greater: 8/11 or 4/7? (a) They are equal (b) 8/11 (c) 4/7
  22. 22.What is 1/3 of 21? (a) 8 (b) 6 (c) 7 (d) 14
  23. 23.Which fraction is greater: 1/7 or 3/10? (a) They are equal (b) 1/7 (c) 3/10
  24. 24.2/4 + 2/3 = ? (a) 7/6 (b) 13/12 (c) 4/7 (d) 5/4
  25. 25.1/2 + 6/8 = ? (a) 11/8 (b) 7/10 (c) 9/8 (d) 5/4
  26. 26.What is 1/3 of 30? (a) 10 (b) 11 (c) 20 (d) 9
  27. 27.What is 5/6 of 36? (a) 6 (b) 31 (c) 36 (d) 30
  28. 28.1/4 + 1/3 = ? (a) 7/12 (b) 2/3 (c) 2/7 (d) 1/2
  29. 29.1/5 + 2/3 = ? (a) 3/8 (b) 14/15 (c) 4/5 (d) 13/15
  30. 30.Which fraction is greater: 2/3 or 1/6? (a) 1/6 (b) 2/3 (c) They are equal
  31. 31.Which fraction is greater: 7/10 or 2/5? (a) 7/10 (b) They are equal (c) 2/5
  32. 32.2/3 + 1/2 = ? (a) 3/5 (b) 1 (c) 4/3 (d) 7/6
  33. 33.Which fraction is greater: 4/5 or 5/7? (a) 4/5 (b) They are equal (c) 5/7
  34. 34.3/5 + 1/3 = ? (a) 13/15 (b) 1 (c) 14/15 (d) 1/2
  35. 35.1/2 + 6/9 = ? (a) 7/6 (b) 7/11 (c) 11/9 (d) 10/9
  36. 36.1/3 + 1/2 = ? (a) 2/3 (b) 1 (c) 2/5 (d) 5/6
  37. 37.What is 4/7 of 63? (a) 36 (b) 27 (c) 9 (d) 45
  38. 38.Which fraction is greater: 3/8 or 3/4? (a) 3/8 (b) They are equal (c) 3/4
  39. 39.Which fraction is greater: 2/9 or 1/3? (a) They are equal (b) 1/3 (c) 2/9
  40. 40.What is 1/8 of 16? (a) 2 (b) 3 (c) 4 (d) 14

Answer key

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

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