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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 999 · 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 3/7 of 49? (a) 21 (b) 7 (c) 28 (d) 22
  2. 2.2/3 + 2/6 = ? (a) 5/6 (b) 1 (c) 7/6 (d) 4/9
  3. 3.What is 2/5 of 25? (a) 5 (b) 11 (c) 10 (d) 15
  4. 4.5/7 + 1/2 = ? (a) 8/7 (b) 17/14 (c) 9/7 (d) 2/3
  5. 5.Which fraction is greater: 6/7 or 1/4? (a) They are equal (b) 6/7 (c) 1/4
  6. 6.1/2 + 1/2 = ? (a) 3/2 (b) 1 (c) 1/2 (d) 2
  7. 7.What is 1/9 of 54? (a) 48 (b) 7 (c) 6 (d) 12
  8. 8.Which fraction is greater: 2/9 or 2/3? (a) 2/3 (b) They are equal (c) 2/9
  9. 9.1/3 + 1/6 = ? (a) 1/3 (b) 2/9 (c) 2/3 (d) 1/2
  10. 10.2/4 + 3/7 = ? (a) 13/14 (b) 25/28 (c) 5/11 (d) 27/28
  11. 11.1/2 + 1/5 = ? (a) 4/5 (b) 3/5 (c) 7/10 (d) 2/7
  12. 12.8/9 + 1/2 = ? (a) 25/18 (b) 9/11 (c) 13/9 (d) 4/3
  13. 13.Which fraction is greater: 1/7 or 7/11? (a) 7/11 (b) They are equal (c) 1/7
  14. 14.Which fraction is greater: 1/4 or 7/10? (a) 1/4 (b) 7/10 (c) They are equal
  15. 15.What is 1/2 of 24? (a) 11 (b) 13 (c) 12 (d) 24
  16. 16.1/9 + 1/3 = ? (a) 1/3 (b) 4/9 (c) 5/9 (d) 1/6
  17. 17.What is 7/8 of 24? (a) 3 (b) 22 (c) 21 (d) 24
  18. 18.Which fraction is greater: 1/11 or 4/5? (a) 4/5 (b) They are equal (c) 1/11
  19. 19.Which fraction is greater: 1/6 or 1/3? (a) 1/6 (b) 1/3 (c) They are equal
  20. 20.1/3 + 1/2 = ? (a) 5/6 (b) 1 (c) 2/5 (d) 2/3
  21. 21.What is 1/3 of 12? (a) 4 (b) 8 (c) 3 (d) 5
  22. 22.What is 2/9 of 54? (a) 42 (b) 18 (c) 6 (d) 12
  23. 23.Which fraction is greater: 1/10 or 2/9? (a) They are equal (b) 2/9 (c) 1/10
  24. 24.What is 5/7 of 56? (a) 16 (b) 8 (c) 48 (d) 40
  25. 25.5/9 + 8/9 = ? (a) 4/3 (b) 14/9 (c) 13/9 (d) 13/18
  26. 26.Which fraction is greater: 9/10 or 6/7? (a) They are equal (b) 6/7 (c) 9/10
  27. 27.What is 8/9 of 72? (a) 65 (b) 72 (c) 8 (d) 64
  28. 28.Which fraction is greater: 1/6 or 1/9? (a) 1/9 (b) They are equal (c) 1/6
  29. 29.What is 5/6 of 48? (a) 8 (b) 41 (c) 40 (d) 48
  30. 30.Which fraction is greater: 3/4 or 3/5? (a) They are equal (b) 3/5 (c) 3/4
  31. 31.What is 1/4 of 12? (a) 3 (b) 6 (c) 9 (d) 4
  32. 32.7/9 + 1/2 = ? (a) 11/9 (b) 4/3 (c) 23/18 (d) 8/11
  33. 33.What is 3/5 of 60? (a) 48 (b) 36 (c) 24 (d) 12
  34. 34.3/4 + 1/7 = ? (a) 6/7 (b) 25/28 (c) 4/11 (d) 13/14
  35. 35.Which fraction is greater: 1/3 or 7/12? (a) 1/3 (b) They are equal (c) 7/12
  36. 36.What is 2/9 of 90? (a) 20 (b) 30 (c) 10 (d) 70
  37. 37.1/3 + 1/3 = ? (a) 4/3 (b) 1 (c) 2/3 (d) 1/3
  38. 38.1/3 + 2/6 = ? (a) 1/2 (b) 5/6 (c) 2/3 (d) 1/3
  39. 39.What is 1/6 of 72? (a) 12 (b) 24 (c) 13 (d) 60
  40. 40.What is 7/8 of 80? (a) 70 (b) 10 (c) 71 (d) 80

Answer key

  1. 21
  2. 1
  3. 10
  4. 17/14
  5. 6/7
  6. 1
  7. 6
  8. 2/3
  9. 1/2
  10. 13/14
  11. 7/10
  12. 25/18
  13. 7/11
  14. 7/10
  15. 12
  16. 4/9
  17. 21
  18. 4/5
  19. 1/3
  20. 5/6
  21. 4
  22. 12
  23. 2/9
  24. 40
  25. 13/9
  26. 9/10
  27. 64
  28. 1/6
  29. 40
  30. 3/4
  31. 3
  32. 23/18
  33. 36
  34. 25/28
  35. 7/12
  36. 20
  37. 2/3
  38. 2/3
  39. 12
  40. 70

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