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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 550 · 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: 2/3 or 5/9? (a) They are equal (b) 2/3 (c) 5/9
  2. 2.1/4 + 2/4 = ? (a) 1 (b) 3/8 (c) 3/4 (d) 1/2
  3. 3.What is 5/7 of 28? (a) 4 (b) 24 (c) 8 (d) 20
  4. 4.Which fraction is greater: 7/10 or 3/5? (a) 7/10 (b) 3/5 (c) They are equal
  5. 5.Which fraction is greater: 1/4 or 1/7? (a) 1/7 (b) They are equal (c) 1/4
  6. 6.1/4 + 4/8 = ? (a) 5/12 (b) 7/8 (c) 5/8 (d) 3/4
  7. 7.What is 1/8 of 80? (a) 11 (b) 20 (c) 10 (d) 70
  8. 8.Which fraction is greater: 1/8 or 7/10? (a) 1/8 (b) They are equal (c) 7/10
  9. 9.What is 1/7 of 70? (a) 60 (b) 10 (c) 20 (d) 11
  10. 10.Which fraction is greater: 1/12 or 1/8? (a) 1/12 (b) 1/8 (c) They are equal
  11. 11.6/8 + 4/8 = ? (a) 9/8 (b) 5/8 (c) 5/4 (d) 11/8
  12. 12.5/8 + 2/6 = ? (a) 1/2 (b) 23/24 (c) 11/12 (d) 1
  13. 13.Which fraction is greater: 2/5 or 5/11? (a) 2/5 (b) 5/11 (c) They are equal
  14. 14.Which fraction is greater: 4/7 or 2/5? (a) 4/7 (b) 2/5 (c) They are equal
  15. 15.Which fraction is greater: 10/11 or 2/3? (a) They are equal (b) 10/11 (c) 2/3
  16. 16.Which fraction is greater: 1/6 or 1/3? (a) They are equal (b) 1/3 (c) 1/6
  17. 17.Which fraction is greater: 4/7 or 5/6? (a) 4/7 (b) They are equal (c) 5/6
  18. 18.3/4 + 2/8 = ? (a) 1 (b) 7/8 (c) 5/12 (d) 9/8
  19. 19.What is 1/4 of 28? (a) 8 (b) 7 (c) 14 (d) 21
  20. 20.5/7 + 2/7 = ? (a) 1/2 (b) 1 (c) 6/7 (d) 8/7
  21. 21.What is 6/7 of 70? (a) 61 (b) 60 (c) 70 (d) 10
  22. 22.What is 2/3 of 6? (a) 4 (b) 5 (c) 2 (d) 6
  23. 23.1/2 + 3/5 = ? (a) 4/7 (b) 6/5 (c) 11/10 (d) 1
  24. 24.3/4 + 1/3 = ? (a) 4/7 (b) 7/6 (c) 13/12 (d) 1
  25. 25.Which fraction is greater: 8/9 or 3/5? (a) They are equal (b) 3/5 (c) 8/9
  26. 26.2/9 + 2/3 = ? (a) 8/9 (b) 7/9 (c) 1/3 (d) 1
  27. 27.Which fraction is greater: 2/7 or 1/12? (a) They are equal (b) 1/12 (c) 2/7
  28. 28.Which fraction is greater: 11/12 or 1/4? (a) 1/4 (b) 11/12 (c) They are equal
  29. 29.1/2 + 1/4 = ? (a) 1/2 (b) 1/3 (c) 3/4 (d) 1
  30. 30.1/2 + 1/5 = ? (a) 4/5 (b) 2/7 (c) 7/10 (d) 3/5
  31. 31.What is 7/9 of 45? (a) 40 (b) 35 (c) 5 (d) 10
  32. 32.Which fraction is greater: 3/4 or 4/5? (a) 3/4 (b) 4/5 (c) They are equal
  33. 33.What is 1/4 of 44? (a) 22 (b) 12 (c) 33 (d) 11
  34. 34.What is 3/4 of 12? (a) 10 (b) 9 (c) 12 (d) 3
  35. 35.2/3 + 1/2 = ? (a) 4/3 (b) 3/5 (c) 7/6 (d) 1
  36. 36.What is 1/2 of 8? (a) 8 (b) 3 (c) 4 (d) 5
  37. 37.1/2 + 1/2 = ? (a) 3/2 (b) 2 (c) 1/2 (d) 1
  38. 38.Which fraction is greater: 3/4 or 5/9? (a) 3/4 (b) They are equal (c) 5/9
  39. 39.What is 5/9 of 90? (a) 50 (b) 10 (c) 40 (d) 60
  40. 40.Which fraction is greater: 8/11 or 5/6? (a) They are equal (b) 8/11 (c) 5/6

Answer key

  1. 2/3
  2. 3/4
  3. 20
  4. 7/10
  5. 1/4
  6. 3/4
  7. 10
  8. 7/10
  9. 10
  10. 1/8
  11. 5/4
  12. 23/24
  13. 5/11
  14. 4/7
  15. 10/11
  16. 1/3
  17. 5/6
  18. 1
  19. 7
  20. 1
  21. 60
  22. 4
  23. 11/10
  24. 13/12
  25. 8/9
  26. 8/9
  27. 2/7
  28. 11/12
  29. 3/4
  30. 7/10
  31. 35
  32. 4/5
  33. 11
  34. 9
  35. 7/6
  36. 4
  37. 1
  38. 3/4
  39. 50
  40. 5/6

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