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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 721 · 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: 1/8 or 11/12? (a) 11/12 (b) They are equal (c) 1/8
  2. 2.1/2 + 4/6 = ? (a) 4/3 (b) 5/8 (c) 1 (d) 7/6
  3. 3.1/2 + 2/9 = ? (a) 2/3 (b) 13/18 (c) 7/9 (d) 3/11
  4. 4.1/2 + 3/6 = ? (a) 7/6 (b) 1 (c) 5/6 (d) 1/2
  5. 5.7/8 + 3/6 = ? (a) 17/12 (b) 11/8 (c) 5/7 (d) 4/3
  6. 6.What is 1/2 of 8? (a) 4 (b) 5 (c) 3 (d) 8
  7. 7.What is 2/7 of 35? (a) 25 (b) 5 (c) 10 (d) 15
  8. 8.What is 2/3 of 24? (a) 24 (b) 16 (c) 8 (d) 17
  9. 9.4/8 + 1/3 = ? (a) 19/24 (b) 5/6 (c) 7/8 (d) 5/11
  10. 10.1/6 + 3/4 = ? (a) 2/5 (b) 1 (c) 5/6 (d) 11/12
  11. 11.Which fraction is greater: 3/5 or 1/7? (a) They are equal (b) 1/7 (c) 3/5
  12. 12.Which fraction is greater: 4/5 or 7/12? (a) They are equal (b) 4/5 (c) 7/12
  13. 13.Which fraction is greater: 6/7 or 3/5? (a) 6/7 (b) They are equal (c) 3/5
  14. 14.1/2 + 4/8 = ? (a) 9/8 (b) 7/8 (c) 1/2 (d) 1
  15. 15.What is 2/5 of 10? (a) 6 (b) 2 (c) 5 (d) 4
  16. 16.What is 4/9 of 36? (a) 16 (b) 4 (c) 20 (d) 17
  17. 17.2/6 + 2/3 = ? (a) 7/6 (b) 5/6 (c) 4/9 (d) 1
  18. 18.2/3 + 1/3 = ? (a) 4/3 (b) 1 (c) 1/2 (d) 2/3
  19. 19.4/5 + 1/4 = ? (a) 11/10 (b) 21/20 (c) 1 (d) 5/9
  20. 20.3/4 + 1/9 = ? (a) 5/6 (b) 4/13 (c) 8/9 (d) 31/36
  21. 21.Which fraction is greater: 5/9 or 3/10? (a) 5/9 (b) They are equal (c) 3/10
  22. 22.1/5 + 1/3 = ? (a) 3/5 (b) 7/15 (c) 1/4 (d) 8/15
  23. 23.Which fraction is greater: 1/3 or 3/4? (a) They are equal (b) 3/4 (c) 1/3
  24. 24.3/4 + 2/5 = ? (a) 5/9 (b) 11/10 (c) 6/5 (d) 23/20
  25. 25.1/5 + 2/7 = ? (a) 1/4 (b) 18/35 (c) 16/35 (d) 17/35
  26. 26.What is 5/9 of 90? (a) 60 (b) 50 (c) 10 (d) 40
  27. 27.Which fraction is greater: 6/7 or 3/4? (a) 3/4 (b) 6/7 (c) They are equal
  28. 28.Which fraction is greater: 4/9 or 5/12? (a) 5/12 (b) 4/9 (c) They are equal
  29. 29.Which fraction is greater: 3/4 or 5/12? (a) 3/4 (b) They are equal (c) 5/12
  30. 30.4/5 + 1/2 = ? (a) 13/10 (b) 6/5 (c) 5/7 (d) 7/5
  31. 31.What is 1/3 of 27? (a) 9 (b) 18 (c) 10 (d) 8
  32. 32.Which fraction is greater: 9/10 or 6/11? (a) They are equal (b) 9/10 (c) 6/11
  33. 33.1/9 + 1/2 = ? (a) 5/9 (b) 2/11 (c) 11/18 (d) 2/3
  34. 34.Which fraction is greater: 3/4 or 1/10? (a) 3/4 (b) 1/10 (c) They are equal
  35. 35.Which fraction is greater: 2/9 or 7/12? (a) 2/9 (b) They are equal (c) 7/12
  36. 36.What is 1/8 of 72? (a) 63 (b) 10 (c) 18 (d) 9
  37. 37.Which fraction is greater: 2/3 or 6/7? (a) They are equal (b) 6/7 (c) 2/3
  38. 38.Which fraction is greater: 1/4 or 5/6? (a) 5/6 (b) They are equal (c) 1/4
  39. 39.What is 5/6 of 24? (a) 20 (b) 21 (c) 4 (d) 24
  40. 40.Which fraction is greater: 1/3 or 2/5? (a) They are equal (b) 2/5 (c) 1/3

Answer key

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

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