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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 872 · 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: 1/11 or 3/4? (a) 3/4 (b) 1/11 (c) They are equal
  2. 2.Which fraction is greater: 2/11 or 7/9? (a) 7/9 (b) They are equal (c) 2/11
  3. 3.Which fraction is greater: 1/11 or 7/8? (a) 7/8 (b) They are equal (c) 1/11
  4. 4.1/4 + 1/5 = ? (a) 2/5 (b) 9/20 (c) 1/2 (d) 2/9
  5. 5.1/2 + 1/4 = ? (a) 1 (b) 3/4 (c) 1/3 (d) 1/2
  6. 6.Which fraction is greater: 2/5 or 3/4? (a) 2/5 (b) They are equal (c) 3/4
  7. 7.What is 1/6 of 60? (a) 10 (b) 50 (c) 20 (d) 11
  8. 8.Which fraction is greater: 2/3 or 8/11? (a) 2/3 (b) 8/11 (c) They are equal
  9. 9.4/5 + 2/4 = ? (a) 27/20 (b) 2/3 (c) 5/4 (d) 13/10
  10. 10.What is 1/2 of 14? (a) 8 (b) 7 (c) 14 (d) 6
  11. 11.What is 1/8 of 80? (a) 11 (b) 10 (c) 70 (d) 20
  12. 12.Which fraction is greater: 1/5 or 5/7? (a) They are equal (b) 1/5 (c) 5/7
  13. 13.What is 4/9 of 54? (a) 24 (b) 6 (c) 30 (d) 25
  14. 14.2/4 + 6/8 = ? (a) 11/8 (b) 9/8 (c) 5/4 (d) 2/3
  15. 15.What is 8/9 of 27? (a) 25 (b) 24 (c) 27 (d) 3
  16. 16.1/3 + 1/8 = ? (a) 2/11 (b) 1/2 (c) 11/24 (d) 5/12
  17. 17.What is 2/9 of 81? (a) 9 (b) 63 (c) 27 (d) 18
  18. 18.2/8 + 1/6 = ? (a) 3/8 (b) 5/12 (c) 3/14 (d) 11/24
  19. 19.3/4 + 3/4 = ? (a) 3/4 (b) 7/4 (c) 3/2 (d) 5/4
  20. 20.Which fraction is greater: 4/5 or 1/7? (a) 4/5 (b) They are equal (c) 1/7
  21. 21.Which fraction is greater: 4/9 or 2/5? (a) They are equal (b) 2/5 (c) 4/9
  22. 22.5/8 + 1/6 = ? (a) 5/6 (b) 3/4 (c) 3/7 (d) 19/24
  23. 23.Which fraction is greater: 5/6 or 1/3? (a) 1/3 (b) 5/6 (c) They are equal
  24. 24.Which fraction is greater: 3/4 or 7/9? (a) 3/4 (b) 7/9 (c) They are equal
  25. 25.3/4 + 2/8 = ? (a) 7/8 (b) 5/12 (c) 1 (d) 9/8
  26. 26.What is 2/3 of 12? (a) 12 (b) 8 (c) 9 (d) 4
  27. 27.What is 1/3 of 15? (a) 4 (b) 5 (c) 6 (d) 10
  28. 28.3/5 + 2/3 = ? (a) 6/5 (b) 4/3 (c) 5/8 (d) 19/15
  29. 29.What is 3/8 of 32? (a) 4 (b) 20 (c) 12 (d) 16
  30. 30.What is 5/7 of 21? (a) 18 (b) 15 (c) 3 (d) 6
  31. 31.Which fraction is greater: 3/4 or 8/11? (a) 3/4 (b) They are equal (c) 8/11
  32. 32.8/9 + 1/2 = ? (a) 9/11 (b) 4/3 (c) 25/18 (d) 13/9
  33. 33.1/2 + 1/9 = ? (a) 5/9 (b) 11/18 (c) 2/3 (d) 2/11
  34. 34.Which fraction is greater: 1/4 or 7/12? (a) 7/12 (b) They are equal (c) 1/4
  35. 35.What is 2/5 of 55? (a) 11 (b) 22 (c) 23 (d) 33
  36. 36.What is 1/2 of 10? (a) 6 (b) 5 (c) 4 (d) 10
  37. 37.What is 3/5 of 55? (a) 22 (b) 44 (c) 11 (d) 33
  38. 38.3/4 + 1/7 = ? (a) 4/11 (b) 13/14 (c) 6/7 (d) 25/28
  39. 39.Which fraction is greater: 3/4 or 6/11? (a) 3/4 (b) They are equal (c) 6/11
  40. 40.Which fraction is greater: 1/3 or 4/5? (a) 4/5 (b) 1/3 (c) They are equal

Answer key

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

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