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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 179 · 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: 7/8 or 3/11? (a) 3/11 (b) They are equal (c) 7/8
  2. 2.2/5 + 1/2 = ? (a) 3/7 (b) 9/10 (c) 1 (d) 4/5
  3. 3.Which fraction is greater: 1/11 or 4/9? (a) They are equal (b) 1/11 (c) 4/9
  4. 4.3/7 + 1/3 = ? (a) 16/21 (b) 17/21 (c) 5/7 (d) 2/5
  5. 5.Which fraction is greater: 8/11 or 1/3? (a) 1/3 (b) They are equal (c) 8/11
  6. 6.Which fraction is greater: 3/8 or 7/10? (a) 7/10 (b) 3/8 (c) They are equal
  7. 7.3/8 + 7/8 = ? (a) 5/8 (b) 9/8 (c) 5/4 (d) 11/8
  8. 8.What is 2/9 of 81? (a) 27 (b) 18 (c) 63 (d) 9
  9. 9.3/6 + 8/9 = ? (a) 25/18 (b) 4/3 (c) 13/9 (d) 11/15
  10. 10.What is 1/2 of 16? (a) 9 (b) 8 (c) 7 (d) 16
  11. 11.Which fraction is greater: 4/9 or 1/8? (a) 1/8 (b) They are equal (c) 4/9
  12. 12.8/9 + 1/6 = ? (a) 3/5 (b) 19/18 (c) 10/9 (d) 1
  13. 13.What is 1/4 of 8? (a) 2 (b) 6 (c) 3 (d) 4
  14. 14.What is 1/8 of 64? (a) 8 (b) 56 (c) 9 (d) 16
  15. 15.What is 5/8 of 16? (a) 12 (b) 2 (c) 6 (d) 10
  16. 16.Which fraction is greater: 3/11 or 2/7? (a) 2/7 (b) They are equal (c) 3/11
  17. 17.What is 1/7 of 14? (a) 4 (b) 3 (c) 12 (d) 2
  18. 18.What is 7/9 of 54? (a) 42 (b) 6 (c) 12 (d) 48
  19. 19.Which fraction is greater: 3/11 or 1/3? (a) 3/11 (b) They are equal (c) 1/3
  20. 20.Which fraction is greater: 3/5 or 5/6? (a) 3/5 (b) They are equal (c) 5/6
  21. 21.What is 1/4 of 16? (a) 5 (b) 4 (c) 8 (d) 12
  22. 22.What is 1/2 of 24? (a) 13 (b) 24 (c) 11 (d) 12
  23. 23.Which fraction is greater: 3/5 or 2/3? (a) 2/3 (b) They are equal (c) 3/5
  24. 24.Which fraction is greater: 7/11 or 1/7? (a) 1/7 (b) They are equal (c) 7/11
  25. 25.Which fraction is greater: 1/5 or 1/4? (a) They are equal (b) 1/5 (c) 1/4
  26. 26.What is 7/8 of 56? (a) 56 (b) 7 (c) 49 (d) 50
  27. 27.5/7 + 2/4 = ? (a) 17/14 (b) 33/28 (c) 5/4 (d) 7/11
  28. 28.Which fraction is greater: 1/4 or 1/12? (a) 1/12 (b) They are equal (c) 1/4
  29. 29.1/4 + 1/3 = ? (a) 2/7 (b) 2/3 (c) 1/2 (d) 7/12
  30. 30.Which fraction is greater: 4/9 or 5/6? (a) They are equal (b) 5/6 (c) 4/9
  31. 31.2/3 + 1/4 = ? (a) 11/12 (b) 5/6 (c) 1 (d) 3/7
  32. 32.Which fraction is greater: 1/4 or 1/3? (a) They are equal (b) 1/3 (c) 1/4
  33. 33.What is 1/4 of 12? (a) 6 (b) 3 (c) 9 (d) 4
  34. 34.What is 4/5 of 45? (a) 45 (b) 9 (c) 37 (d) 36
  35. 35.3/6 + 1/5 = ? (a) 4/11 (b) 11/15 (c) 2/3 (d) 7/10
  36. 36.Which fraction is greater: 1/5 or 3/11? (a) 1/5 (b) They are equal (c) 3/11
  37. 37.What is 1/2 of 14? (a) 6 (b) 8 (c) 7 (d) 14
  38. 38.Which fraction is greater: 5/8 or 1/3? (a) 5/8 (b) 1/3 (c) They are equal
  39. 39.Which fraction is greater: 1/4 or 1/10? (a) 1/4 (b) 1/10 (c) They are equal
  40. 40.Which fraction is greater: 1/4 or 4/7? (a) 1/4 (b) They are equal (c) 4/7

Answer key

  1. 7/8
  2. 9/10
  3. 4/9
  4. 16/21
  5. 8/11
  6. 7/10
  7. 5/4
  8. 18
  9. 25/18
  10. 8
  11. 4/9
  12. 19/18
  13. 2
  14. 8
  15. 10
  16. 2/7
  17. 2
  18. 42
  19. 1/3
  20. 5/6
  21. 4
  22. 12
  23. 2/3
  24. 7/11
  25. 1/4
  26. 49
  27. 17/14
  28. 1/4
  29. 7/12
  30. 5/6
  31. 11/12
  32. 1/3
  33. 3
  34. 36
  35. 7/10
  36. 3/11
  37. 7
  38. 5/8
  39. 1/4
  40. 4/7

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