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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 521 · 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: 2/11 or 3/8? (a) They are equal (b) 3/8 (c) 2/11
  2. 2.What is 1/4 of 36? (a) 27 (b) 9 (c) 10 (d) 18
  3. 3.Which fraction is greater: 4/11 or 6/7? (a) 4/11 (b) 6/7 (c) They are equal
  4. 4.Which fraction is greater: 1/9 or 5/12? (a) They are equal (b) 5/12 (c) 1/9
  5. 5.Which fraction is greater: 1/6 or 5/9? (a) 1/6 (b) 5/9 (c) They are equal
  6. 6.Which fraction is greater: 2/3 or 3/4? (a) They are equal (b) 3/4 (c) 2/3
  7. 7.5/7 + 3/7 = ? (a) 9/7 (b) 4/7 (c) 1 (d) 8/7
  8. 8.1/2 + 1/9 = ? (a) 2/11 (b) 11/18 (c) 2/3 (d) 5/9
  9. 9.2/4 + 2/8 = ? (a) 7/8 (b) 3/4 (c) 1/3 (d) 5/8
  10. 10.7/9 + 1/2 = ? (a) 11/9 (b) 8/11 (c) 23/18 (d) 4/3
  11. 11.4/8 + 1/3 = ? (a) 19/24 (b) 5/6 (c) 7/8 (d) 5/11
  12. 12.Which fraction is greater: 1/7 or 2/5? (a) 2/5 (b) They are equal (c) 1/7
  13. 13.Which fraction is greater: 5/6 or 6/7? (a) 6/7 (b) 5/6 (c) They are equal
  14. 14.Which fraction is greater: 3/5 or 2/7? (a) 2/7 (b) They are equal (c) 3/5
  15. 15.What is 8/9 of 108? (a) 12 (b) 97 (c) 96 (d) 108
  16. 16.Which fraction is greater: 1/5 or 5/6? (a) They are equal (b) 1/5 (c) 5/6
  17. 17.Which fraction is greater: 1/3 or 2/9? (a) 2/9 (b) They are equal (c) 1/3
  18. 18.What is 3/5 of 15? (a) 12 (b) 6 (c) 3 (d) 9
  19. 19.2/8 + 1/3 = ? (a) 3/11 (b) 7/12 (c) 13/24 (d) 5/8
  20. 20.Which fraction is greater: 3/5 or 5/8? (a) 3/5 (b) 5/8 (c) They are equal
  21. 21.2/8 + 3/4 = ? (a) 9/8 (b) 7/8 (c) 5/12 (d) 1
  22. 22.Which fraction is greater: 1/3 or 5/6? (a) They are equal (b) 1/3 (c) 5/6
  23. 23.What is 2/3 of 36? (a) 12 (b) 36 (c) 24 (d) 25
  24. 24.Which fraction is greater: 1/10 or 2/3? (a) 2/3 (b) 1/10 (c) They are equal
  25. 25.2/7 + 2/4 = ? (a) 23/28 (b) 3/4 (c) 4/11 (d) 11/14
  26. 26.5/6 + 1/2 = ? (a) 3/4 (b) 7/6 (c) 4/3 (d) 3/2
  27. 27.1/2 + 2/5 = ? (a) 3/7 (b) 9/10 (c) 1 (d) 4/5
  28. 28.1/2 + 1/2 = ? (a) 1/2 (b) 3/2 (c) 2 (d) 1
  29. 29.What is 2/3 of 30? (a) 10 (b) 21 (c) 20 (d) 30
  30. 30.2/7 + 2/3 = ? (a) 2/5 (b) 20/21 (c) 1 (d) 19/21
  31. 31.Which fraction is greater: 1/9 or 2/3? (a) 2/3 (b) They are equal (c) 1/9
  32. 32.Which fraction is greater: 4/9 or 1/11? (a) 4/9 (b) 1/11 (c) They are equal
  33. 33.Which fraction is greater: 7/10 or 3/5? (a) 3/5 (b) They are equal (c) 7/10
  34. 34.What is 1/2 of 20? (a) 9 (b) 10 (c) 20 (d) 11
  35. 35.What is 1/3 of 15? (a) 5 (b) 4 (c) 6 (d) 10
  36. 36.3/6 + 3/5 = ? (a) 11/10 (b) 16/15 (c) 17/15 (d) 6/11
  37. 37.What is 3/7 of 70? (a) 10 (b) 40 (c) 30 (d) 31
  38. 38.What is 3/4 of 20? (a) 5 (b) 15 (c) 16 (d) 20
  39. 39.What is 1/2 of 14? (a) 14 (b) 7 (c) 6 (d) 8
  40. 40.Which fraction is greater: 1/12 or 2/7? (a) 2/7 (b) 1/12 (c) They are equal

Answer key

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

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