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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 269 · 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 8/9 of 108? (a) 12 (b) 108 (c) 96 (d) 97
  2. 2.Which fraction is greater: 1/4 or 1/11? (a) 1/4 (b) 1/11 (c) They are equal
  3. 3.Which fraction is greater: 3/8 or 2/7? (a) 2/7 (b) 3/8 (c) They are equal
  4. 4.1/3 + 1/3 = ? (a) 1 (b) 4/3 (c) 1/3 (d) 2/3
  5. 5.Which fraction is greater: 1/4 or 6/11? (a) 1/4 (b) 6/11 (c) They are equal
  6. 6.What is 1/2 of 8? (a) 3 (b) 8 (c) 5 (d) 4
  7. 7.Which fraction is greater: 5/8 or 7/9? (a) They are equal (b) 5/8 (c) 7/9
  8. 8.Which fraction is greater: 3/11 or 7/9? (a) They are equal (b) 7/9 (c) 3/11
  9. 9.Which fraction is greater: 1/3 or 8/9? (a) They are equal (b) 1/3 (c) 8/9
  10. 10.What is 2/5 of 60? (a) 25 (b) 12 (c) 24 (d) 36
  11. 11.What is 1/9 of 72? (a) 64 (b) 16 (c) 8 (d) 9
  12. 12.2/3 + 1/7 = ? (a) 17/21 (b) 16/21 (c) 3/10 (d) 6/7
  13. 13.What is 2/3 of 27? (a) 18 (b) 27 (c) 19 (d) 9
  14. 14.Which fraction is greater: 4/5 or 3/8? (a) 4/5 (b) 3/8 (c) They are equal
  15. 15.3/5 + 3/4 = ? (a) 13/10 (b) 2/3 (c) 7/5 (d) 27/20
  16. 16.What is 8/9 of 54? (a) 49 (b) 6 (c) 48 (d) 54
  17. 17.1/3 + 2/6 = ? (a) 1/3 (b) 1/2 (c) 5/6 (d) 2/3
  18. 18.What is 1/5 of 20? (a) 5 (b) 4 (c) 8 (d) 16
  19. 19.1/2 + 2/3 = ? (a) 3/5 (b) 7/6 (c) 1 (d) 4/3
  20. 20.Which fraction is greater: 3/4 or 2/7? (a) They are equal (b) 3/4 (c) 2/7
  21. 21.Which fraction is greater: 9/11 or 4/7? (a) 9/11 (b) 4/7 (c) They are equal
  22. 22.1/2 + 1/3 = ? (a) 2/3 (b) 1 (c) 2/5 (d) 5/6
  23. 23.Which fraction is greater: 1/9 or 1/12? (a) They are equal (b) 1/9 (c) 1/12
  24. 24.4/8 + 1/8 = ? (a) 3/4 (b) 5/8 (c) 5/16 (d) 1/2
  25. 25.Which fraction is greater: 3/4 or 1/5? (a) They are equal (b) 3/4 (c) 1/5
  26. 26.1/5 + 6/7 = ? (a) 7/12 (b) 36/35 (c) 37/35 (d) 38/35
  27. 27.2/4 + 1/3 = ? (a) 3/7 (b) 5/6 (c) 3/4 (d) 11/12
  28. 28.What is 1/3 of 36? (a) 13 (b) 12 (c) 11 (d) 24
  29. 29.Which fraction is greater: 2/7 or 1/4? (a) 1/4 (b) They are equal (c) 2/7
  30. 30.What is 1/2 of 14? (a) 6 (b) 14 (c) 8 (d) 7
  31. 31.What is 5/7 of 70? (a) 10 (b) 60 (c) 20 (d) 50
  32. 32.6/8 + 1/2 = ? (a) 11/8 (b) 5/4 (c) 7/10 (d) 9/8
  33. 33.What is 1/5 of 25? (a) 10 (b) 5 (c) 20 (d) 6
  34. 34.What is 1/2 of 6? (a) 3 (b) 4 (c) 2 (d) 6
  35. 35.What is 5/8 of 80? (a) 60 (b) 30 (c) 50 (d) 10
  36. 36.Which fraction is greater: 4/9 or 4/7? (a) They are equal (b) 4/7 (c) 4/9
  37. 37.1/5 + 1/4 = ? (a) 1/2 (b) 9/20 (c) 2/9 (d) 2/5
  38. 38.5/9 + 3/9 = ? (a) 4/9 (b) 1 (c) 7/9 (d) 8/9
  39. 39.Which fraction is greater: 5/9 or 5/12? (a) 5/9 (b) They are equal (c) 5/12
  40. 40.1/2 + 1/5 = ? (a) 2/7 (b) 7/10 (c) 3/5 (d) 4/5

Answer key

  1. 96
  2. 1/4
  3. 3/8
  4. 2/3
  5. 6/11
  6. 4
  7. 7/9
  8. 7/9
  9. 8/9
  10. 24
  11. 8
  12. 17/21
  13. 18
  14. 4/5
  15. 27/20
  16. 48
  17. 2/3
  18. 4
  19. 7/6
  20. 3/4
  21. 9/11
  22. 5/6
  23. 1/9
  24. 5/8
  25. 3/4
  26. 37/35
  27. 5/6
  28. 12
  29. 2/7
  30. 7
  31. 50
  32. 5/4
  33. 5
  34. 3
  35. 50
  36. 4/7
  37. 9/20
  38. 8/9
  39. 5/9
  40. 7/10

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