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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 95 · 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 1/9 of 90? (a) 11 (b) 80 (c) 10 (d) 20
  2. 2.Which fraction is greater: 1/3 or 4/5? (a) 4/5 (b) 1/3 (c) They are equal
  3. 3.6/9 + 1/3 = ? (a) 8/9 (b) 10/9 (c) 1 (d) 7/12
  4. 4.What is 3/4 of 8? (a) 2 (b) 8 (c) 7 (d) 6
  5. 5.1/3 + 2/9 = ? (a) 4/9 (b) 1/4 (c) 2/3 (d) 5/9
  6. 6.1/7 + 1/2 = ? (a) 9/14 (b) 4/7 (c) 2/9 (d) 5/7
  7. 7.Which fraction is greater: 1/4 or 1/7? (a) 1/7 (b) They are equal (c) 1/4
  8. 8.Which fraction is greater: 11/12 or 2/11? (a) 11/12 (b) They are equal (c) 2/11
  9. 9.Which fraction is greater: 2/7 or 1/10? (a) 2/7 (b) They are equal (c) 1/10
  10. 10.Which fraction is greater: 2/3 or 6/11? (a) 2/3 (b) 6/11 (c) They are equal
  11. 11.Which fraction is greater: 5/7 or 1/8? (a) 5/7 (b) They are equal (c) 1/8
  12. 12.Which fraction is greater: 2/3 or 6/7? (a) They are equal (b) 6/7 (c) 2/3
  13. 13.What is 3/4 of 20? (a) 5 (b) 15 (c) 16 (d) 20
  14. 14.3/4 + 1/4 = ? (a) 5/4 (b) 3/4 (c) 1/2 (d) 1
  15. 15.What is 1/6 of 54? (a) 18 (b) 10 (c) 45 (d) 9
  16. 16.1/4 + 2/5 = ? (a) 3/5 (b) 7/10 (c) 1/3 (d) 13/20
  17. 17.What is 5/9 of 108? (a) 60 (b) 48 (c) 12 (d) 72
  18. 18.2/8 + 6/8 = ? (a) 7/8 (b) 1/2 (c) 1 (d) 9/8
  19. 19.Which fraction is greater: 1/8 or 1/5? (a) They are equal (b) 1/8 (c) 1/5
  20. 20.What is 5/8 of 24? (a) 18 (b) 9 (c) 3 (d) 15
  21. 21.Which fraction is greater: 3/4 or 5/9? (a) 5/9 (b) 3/4 (c) They are equal
  22. 22.What is 1/2 of 18? (a) 8 (b) 9 (c) 18 (d) 10
  23. 23.Which fraction is greater: 2/3 or 1/5? (a) They are equal (b) 1/5 (c) 2/3
  24. 24.1/8 + 1/8 = ? (a) 1/8 (b) 3/8 (c) 1/2 (d) 1/4
  25. 25.What is 1/9 of 36? (a) 8 (b) 32 (c) 5 (d) 4
  26. 26.Which fraction is greater: 3/4 or 8/11? (a) 8/11 (b) 3/4 (c) They are equal
  27. 27.1/2 + 1/3 = ? (a) 2/3 (b) 1 (c) 5/6 (d) 2/5
  28. 28.1/2 + 6/8 = ? (a) 5/4 (b) 9/8 (c) 11/8 (d) 7/10
  29. 29.1/2 + 8/9 = ? (a) 9/11 (b) 4/3 (c) 13/9 (d) 25/18
  30. 30.Which fraction is greater: 4/5 or 1/4? (a) They are equal (b) 1/4 (c) 4/5
  31. 31.Which fraction is greater: 2/3 or 3/5? (a) 3/5 (b) 2/3 (c) They are equal
  32. 32.1/2 + 2/3 = ? (a) 3/5 (b) 7/6 (c) 1 (d) 4/3
  33. 33.What is 1/5 of 10? (a) 2 (b) 3 (c) 8 (d) 4
  34. 34.1/5 + 4/7 = ? (a) 26/35 (b) 4/5 (c) 27/35 (d) 5/12
  35. 35.Which fraction is greater: 2/11 or 1/5? (a) They are equal (b) 2/11 (c) 1/5
  36. 36.Which fraction is greater: 7/10 or 3/7? (a) 7/10 (b) They are equal (c) 3/7
  37. 37.1/4 + 1/7 = ? (a) 11/28 (b) 3/7 (c) 5/14 (d) 2/11
  38. 38.What is 1/7 of 28? (a) 24 (b) 8 (c) 5 (d) 4
  39. 39.1/2 + 1/8 = ? (a) 1/5 (b) 1/2 (c) 5/8 (d) 3/4
  40. 40.5/9 + 7/9 = ? (a) 4/3 (b) 13/9 (c) 2/3 (d) 11/9

Answer key

  1. 10
  2. 4/5
  3. 1
  4. 6
  5. 5/9
  6. 9/14
  7. 1/4
  8. 11/12
  9. 2/7
  10. 2/3
  11. 5/7
  12. 6/7
  13. 15
  14. 1
  15. 9
  16. 13/20
  17. 60
  18. 1
  19. 1/5
  20. 15
  21. 3/4
  22. 9
  23. 2/3
  24. 1/4
  25. 4
  26. 3/4
  27. 5/6
  28. 5/4
  29. 25/18
  30. 4/5
  31. 2/3
  32. 7/6
  33. 2
  34. 27/35
  35. 1/5
  36. 7/10
  37. 11/28
  38. 4
  39. 5/8
  40. 4/3

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