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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 888 · 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: 1/9 or 1/7? (a) 1/9 (b) They are equal (c) 1/7
  2. 2.Which fraction is greater: 1/4 or 9/10? (a) 1/4 (b) 9/10 (c) They are equal
  3. 3.3/4 + 7/9 = ? (a) 55/36 (b) 10/13 (c) 14/9 (d) 3/2
  4. 4.Which fraction is greater: 9/10 or 3/4? (a) 3/4 (b) They are equal (c) 9/10
  5. 5.What is 6/7 of 28? (a) 24 (b) 25 (c) 28 (d) 4
  6. 6.Which fraction is greater: 5/7 or 1/3? (a) 1/3 (b) 5/7 (c) They are equal
  7. 7.Which fraction is greater: 2/11 or 3/5? (a) 2/11 (b) They are equal (c) 3/5
  8. 8.What is 2/3 of 21? (a) 7 (b) 14 (c) 15 (d) 21
  9. 9.What is 2/3 of 30? (a) 20 (b) 30 (c) 10 (d) 21
  10. 10.2/9 + 6/9 = ? (a) 1 (b) 8/9 (c) 4/9 (d) 7/9
  11. 11.Which fraction is greater: 1/8 or 1/5? (a) 1/5 (b) They are equal (c) 1/8
  12. 12.1/3 + 1/2 = ? (a) 2/3 (b) 1 (c) 2/5 (d) 5/6
  13. 13.1/4 + 4/5 = ? (a) 11/10 (b) 21/20 (c) 1 (d) 5/9
  14. 14.Which fraction is greater: 3/8 or 7/9? (a) 7/9 (b) They are equal (c) 3/8
  15. 15.What is 5/8 of 16? (a) 2 (b) 12 (c) 6 (d) 10
  16. 16.4/9 + 1/4 = ? (a) 2/3 (b) 25/36 (c) 13/18 (d) 5/13
  17. 17.6/9 + 2/3 = ? (a) 4/3 (b) 13/9 (c) 11/9 (d) 2/3
  18. 18.Which fraction is greater: 3/4 or 6/11? (a) 3/4 (b) They are equal (c) 6/11
  19. 19.What is 1/3 of 9? (a) 4 (b) 6 (c) 2 (d) 3
  20. 20.2/9 + 1/4 = ? (a) 1/2 (b) 3/13 (c) 17/36 (d) 4/9
  21. 21.What is 1/3 of 27? (a) 10 (b) 9 (c) 18 (d) 8
  22. 22.5/6 + 1/2 = ? (a) 4/3 (b) 3/4 (c) 3/2 (d) 7/6
  23. 23.What is 1/2 of 12? (a) 5 (b) 7 (c) 6 (d) 12
  24. 24.6/8 + 3/4 = ? (a) 3/2 (b) 11/8 (c) 13/8 (d) 3/4
  25. 25.What is 4/5 of 30? (a) 30 (b) 24 (c) 25 (d) 6
  26. 26.Which fraction is greater: 1/3 or 1/7? (a) 1/3 (b) They are equal (c) 1/7
  27. 27.What is 3/8 of 32? (a) 4 (b) 12 (c) 16 (d) 20
  28. 28.Which fraction is greater: 5/8 or 1/3? (a) They are equal (b) 1/3 (c) 5/8
  29. 29.Which fraction is greater: 3/5 or 3/7? (a) 3/5 (b) They are equal (c) 3/7
  30. 30.Which fraction is greater: 1/5 or 2/9? (a) 1/5 (b) 2/9 (c) They are equal
  31. 31.What is 1/5 of 40? (a) 32 (b) 9 (c) 8 (d) 16
  32. 32.What is 3/4 of 32? (a) 8 (b) 25 (c) 32 (d) 24
  33. 33.What is 4/9 of 108? (a) 60 (b) 48 (c) 12 (d) 49
  34. 34.What is 1/6 of 24? (a) 5 (b) 8 (c) 20 (d) 4
  35. 35.Which fraction is greater: 1/3 or 4/5? (a) 1/3 (b) 4/5 (c) They are equal
  36. 36.Which fraction is greater: 1/5 or 3/7? (a) 3/7 (b) They are equal (c) 1/5
  37. 37.1/2 + 6/9 = ? (a) 7/6 (b) 7/11 (c) 11/9 (d) 10/9
  38. 38.What is 5/7 of 77? (a) 22 (b) 55 (c) 11 (d) 66
  39. 39.What is 1/9 of 99? (a) 88 (b) 22 (c) 12 (d) 11
  40. 40.What is 1/8 of 48? (a) 7 (b) 42 (c) 6 (d) 12

Answer key

  1. 1/7
  2. 9/10
  3. 55/36
  4. 9/10
  5. 24
  6. 5/7
  7. 3/5
  8. 14
  9. 20
  10. 8/9
  11. 1/5
  12. 5/6
  13. 21/20
  14. 7/9
  15. 10
  16. 25/36
  17. 4/3
  18. 3/4
  19. 3
  20. 17/36
  21. 9
  22. 4/3
  23. 6
  24. 3/2
  25. 24
  26. 1/3
  27. 12
  28. 5/8
  29. 3/5
  30. 2/9
  31. 8
  32. 24
  33. 48
  34. 4
  35. 4/5
  36. 3/7
  37. 7/6
  38. 55
  39. 11
  40. 6

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