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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 511 · 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: 1/6 or 1/4? (a) They are equal (b) 1/4 (c) 1/6
  2. 2.Which fraction is greater: 4/11 or 8/9? (a) They are equal (b) 4/11 (c) 8/9
  3. 3.What is 1/2 of 6? (a) 2 (b) 6 (c) 4 (d) 3
  4. 4.What is 1/4 of 8? (a) 3 (b) 4 (c) 2 (d) 6
  5. 5.Which fraction is greater: 5/7 or 1/12? (a) 1/12 (b) 5/7 (c) They are equal
  6. 6.Which fraction is greater: 10/11 or 7/8? (a) 7/8 (b) They are equal (c) 10/11
  7. 7.Which fraction is greater: 3/8 or 1/4? (a) 1/4 (b) 3/8 (c) They are equal
  8. 8.Which fraction is greater: 2/5 or 1/3? (a) They are equal (b) 1/3 (c) 2/5
  9. 9.What is 1/4 of 24? (a) 18 (b) 6 (c) 7 (d) 12
  10. 10.Which fraction is greater: 7/9 or 4/5? (a) 4/5 (b) 7/9 (c) They are equal
  11. 11.1/5 + 2/6 = ? (a) 8/15 (b) 17/30 (c) 1/2 (d) 3/11
  12. 12.What is 2/5 of 10? (a) 4 (b) 6 (c) 5 (d) 2
  13. 13.Which fraction is greater: 2/7 or 3/10? (a) 2/7 (b) They are equal (c) 3/10
  14. 14.Which fraction is greater: 2/3 or 1/4? (a) 1/4 (b) 2/3 (c) They are equal
  15. 15.2/4 + 2/4 = ? (a) 1/2 (b) 5/4 (c) 1 (d) 3/4
  16. 16.Which fraction is greater: 8/9 or 1/5? (a) 1/5 (b) They are equal (c) 8/9
  17. 17.What is 1/3 of 9? (a) 6 (b) 4 (c) 2 (d) 3
  18. 18.Which fraction is greater: 3/5 or 11/12? (a) They are equal (b) 11/12 (c) 3/5
  19. 19.What is 1/2 of 8? (a) 4 (b) 8 (c) 5 (d) 3
  20. 20.What is 8/9 of 18? (a) 16 (b) 18 (c) 17 (d) 2
  21. 21.1/2 + 1/3 = ? (a) 2/3 (b) 5/6 (c) 2/5 (d) 1
  22. 22.Which fraction is greater: 10/11 or 1/3? (a) 1/3 (b) They are equal (c) 10/11
  23. 23.What is 1/2 of 10? (a) 10 (b) 6 (c) 4 (d) 5
  24. 24.1/7 + 2/4 = ? (a) 9/14 (b) 3/11 (c) 17/28 (d) 19/28
  25. 25.7/8 + 1/3 = ? (a) 5/4 (b) 7/6 (c) 8/11 (d) 29/24
  26. 26.1/6 + 3/4 = ? (a) 11/12 (b) 1 (c) 2/5 (d) 5/6
  27. 27.What is 1/3 of 36? (a) 11 (b) 13 (c) 24 (d) 12
  28. 28.2/3 + 2/3 = ? (a) 1 (b) 5/3 (c) 2/3 (d) 4/3
  29. 29.What is 2/3 of 27? (a) 18 (b) 27 (c) 9 (d) 19
  30. 30.6/7 + 1/2 = ? (a) 19/14 (b) 10/7 (c) 9/7 (d) 7/9
  31. 31.Which fraction is greater: 1/11 or 3/5? (a) 1/11 (b) They are equal (c) 3/5
  32. 32.Which fraction is greater: 5/7 or 5/9? (a) 5/9 (b) 5/7 (c) They are equal
  33. 33.What is 1/2 of 18? (a) 8 (b) 10 (c) 18 (d) 9
  34. 34.What is 1/3 of 30? (a) 11 (b) 20 (c) 9 (d) 10
  35. 35.What is 1/8 of 80? (a) 10 (b) 20 (c) 11 (d) 70
  36. 36.Which fraction is greater: 3/5 or 1/4? (a) 3/5 (b) They are equal (c) 1/4
  37. 37.Which fraction is greater: 1/8 or 8/11? (a) 1/8 (b) 8/11 (c) They are equal
  38. 38.Which fraction is greater: 7/9 or 1/7? (a) 1/7 (b) They are equal (c) 7/9
  39. 39.1/4 + 1/2 = ? (a) 1/3 (b) 1 (c) 3/4 (d) 1/2
  40. 40.3/4 + 2/7 = ? (a) 1 (b) 5/11 (c) 29/28 (d) 15/14

Answer key

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

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