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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 723 · 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: 3/10 or 2/3? (a) They are equal (b) 2/3 (c) 3/10
  2. 2.3/9 + 4/6 = ? (a) 1 (b) 7/15 (c) 17/18 (d) 19/18
  3. 3.What is 1/5 of 35? (a) 7 (b) 28 (c) 14 (d) 8
  4. 4.What is 1/3 of 36? (a) 13 (b) 11 (c) 24 (d) 12
  5. 5.6/8 + 5/8 = ? (a) 5/4 (b) 3/2 (c) 11/16 (d) 11/8
  6. 6.What is 2/3 of 18? (a) 13 (b) 18 (c) 12 (d) 6
  7. 7.Which fraction is greater: 6/11 or 2/5? (a) 2/5 (b) 6/11 (c) They are equal
  8. 8.1/3 + 2/9 = ? (a) 2/3 (b) 5/9 (c) 4/9 (d) 1/4
  9. 9.1/2 + 3/8 = ? (a) 1 (b) 3/4 (c) 2/5 (d) 7/8
  10. 10.Which fraction is greater: 5/8 or 7/10? (a) 5/8 (b) They are equal (c) 7/10
  11. 11.2/4 + 6/7 = ? (a) 8/11 (b) 39/28 (c) 37/28 (d) 19/14
  12. 12.Which fraction is greater: 2/5 or 1/8? (a) They are equal (b) 2/5 (c) 1/8
  13. 13.3/7 + 1/3 = ? (a) 17/21 (b) 2/5 (c) 16/21 (d) 5/7
  14. 14.Which fraction is greater: 2/5 or 5/9? (a) 5/9 (b) 2/5 (c) They are equal
  15. 15.2/3 + 4/9 = ? (a) 1/2 (b) 11/9 (c) 10/9 (d) 1
  16. 16.Which fraction is greater: 1/4 or 7/9? (a) 7/9 (b) 1/4 (c) They are equal
  17. 17.2/9 + 1/2 = ? (a) 3/11 (b) 13/18 (c) 7/9 (d) 2/3
  18. 18.Which fraction is greater: 1/4 or 1/3? (a) 1/3 (b) 1/4 (c) They are equal
  19. 19.What is 3/5 of 50? (a) 10 (b) 30 (c) 20 (d) 40
  20. 20.3/4 + 6/7 = ? (a) 45/28 (b) 23/14 (c) 11/7 (d) 9/11
  21. 21.What is 1/2 of 12? (a) 7 (b) 5 (c) 6 (d) 12
  22. 22.Which fraction is greater: 1/3 or 3/7? (a) They are equal (b) 3/7 (c) 1/3
  23. 23.What is 2/5 of 60? (a) 24 (b) 25 (c) 36 (d) 12
  24. 24.2/5 + 1/2 = ? (a) 3/7 (b) 4/5 (c) 1 (d) 9/10
  25. 25.Which fraction is greater: 2/5 or 5/11? (a) 5/11 (b) 2/5 (c) They are equal
  26. 26.4/7 + 1/2 = ? (a) 15/14 (b) 8/7 (c) 5/9 (d) 1
  27. 27.4/8 + 1/2 = ? (a) 1/2 (b) 1 (c) 7/8 (d) 9/8
  28. 28.1/8 + 2/3 = ? (a) 5/6 (b) 3/4 (c) 19/24 (d) 3/11
  29. 29.What is 1/6 of 48? (a) 40 (b) 9 (c) 8 (d) 16
  30. 30.Which fraction is greater: 5/11 or 6/7? (a) They are equal (b) 6/7 (c) 5/11
  31. 31.Which fraction is greater: 1/7 or 1/3? (a) 1/3 (b) 1/7 (c) They are equal
  32. 32.Which fraction is greater: 3/5 or 1/4? (a) 1/4 (b) They are equal (c) 3/5
  33. 33.What is 1/4 of 16? (a) 8 (b) 4 (c) 12 (d) 5
  34. 34.1/4 + 4/6 = ? (a) 1 (b) 11/12 (c) 1/2 (d) 5/6
  35. 35.1/4 + 4/8 = ? (a) 7/8 (b) 3/4 (c) 5/12 (d) 5/8
  36. 36.1/3 + 4/5 = ? (a) 5/8 (b) 16/15 (c) 6/5 (d) 17/15
  37. 37.Which fraction is greater: 1/10 or 7/12? (a) 7/12 (b) They are equal (c) 1/10
  38. 38.Which fraction is greater: 1/7 or 4/5? (a) 4/5 (b) 1/7 (c) They are equal
  39. 39.What is 1/3 of 12? (a) 4 (b) 3 (c) 5 (d) 8
  40. 40.Which fraction is greater: 5/6 or 5/7? (a) 5/7 (b) 5/6 (c) They are equal

Answer key

  1. 2/3
  2. 1
  3. 7
  4. 12
  5. 11/8
  6. 12
  7. 6/11
  8. 5/9
  9. 7/8
  10. 7/10
  11. 19/14
  12. 2/5
  13. 16/21
  14. 5/9
  15. 10/9
  16. 7/9
  17. 13/18
  18. 1/3
  19. 30
  20. 45/28
  21. 6
  22. 3/7
  23. 24
  24. 9/10
  25. 5/11
  26. 15/14
  27. 1
  28. 19/24
  29. 8
  30. 6/7
  31. 1/3
  32. 3/5
  33. 4
  34. 11/12
  35. 3/4
  36. 17/15
  37. 7/12
  38. 4/5
  39. 4
  40. 5/6

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