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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 342 · 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: 1/5 or 5/8? (a) 5/8 (b) They are equal (c) 1/5
  2. 2.3/4 + 1/3 = ? (a) 13/12 (b) 7/6 (c) 1 (d) 4/7
  3. 3.Which fraction is greater: 5/9 or 8/11? (a) 8/11 (b) They are equal (c) 5/9
  4. 4.Which fraction is greater: 1/7 or 5/9? (a) They are equal (b) 5/9 (c) 1/7
  5. 5.1/2 + 3/6 = ? (a) 7/6 (b) 1 (c) 1/2 (d) 5/6
  6. 6.Which fraction is greater: 3/11 or 3/5? (a) They are equal (b) 3/11 (c) 3/5
  7. 7.2/3 + 4/9 = ? (a) 1 (b) 1/2 (c) 11/9 (d) 10/9
  8. 8.3/9 + 3/4 = ? (a) 6/13 (b) 10/9 (c) 13/12 (d) 19/18
  9. 9.What is 2/3 of 33? (a) 23 (b) 33 (c) 22 (d) 11
  10. 10.Which fraction is greater: 3/4 or 3/8? (a) 3/4 (b) They are equal (c) 3/8
  11. 11.Which fraction is greater: 1/3 or 1/4? (a) They are equal (b) 1/3 (c) 1/4
  12. 12.8/9 + 1/2 = ? (a) 4/3 (b) 25/18 (c) 9/11 (d) 13/9
  13. 13.What is 4/9 of 90? (a) 40 (b) 41 (c) 10 (d) 50
  14. 14.1/4 + 4/9 = ? (a) 5/13 (b) 2/3 (c) 13/18 (d) 25/36
  15. 15.5/6 + 1/2 = ? (a) 3/4 (b) 7/6 (c) 3/2 (d) 4/3
  16. 16.1/2 + 4/7 = ? (a) 1 (b) 8/7 (c) 5/9 (d) 15/14
  17. 17.1/2 + 5/8 = ? (a) 1 (b) 5/4 (c) 3/5 (d) 9/8
  18. 18.What is 1/2 of 20? (a) 20 (b) 10 (c) 11 (d) 9
  19. 19.3/9 + 3/6 = ? (a) 7/9 (b) 5/6 (c) 2/5 (d) 8/9
  20. 20.What is 3/5 of 55? (a) 44 (b) 11 (c) 33 (d) 22
  21. 21.Which fraction is greater: 1/10 or 8/9? (a) 8/9 (b) They are equal (c) 1/10
  22. 22.What is 3/4 of 20? (a) 15 (b) 5 (c) 16 (d) 20
  23. 23.2/5 + 1/6 = ? (a) 3/11 (b) 8/15 (c) 17/30 (d) 3/5
  24. 24.What is 3/7 of 35? (a) 16 (b) 20 (c) 5 (d) 15
  25. 25.Which fraction is greater: 3/8 or 2/5? (a) 3/8 (b) 2/5 (c) They are equal
  26. 26.What is 1/3 of 12? (a) 3 (b) 8 (c) 4 (d) 5
  27. 27.What is 1/2 of 18? (a) 18 (b) 10 (c) 8 (d) 9
  28. 28.What is 1/4 of 44? (a) 22 (b) 33 (c) 12 (d) 11
  29. 29.Which fraction is greater: 2/3 or 2/5? (a) 2/5 (b) They are equal (c) 2/3
  30. 30.1/7 + 1/4 = ? (a) 2/11 (b) 5/14 (c) 11/28 (d) 3/7
  31. 31.Which fraction is greater: 1/6 or 1/4? (a) 1/6 (b) 1/4 (c) They are equal
  32. 32.Which fraction is greater: 2/3 or 1/8? (a) They are equal (b) 1/8 (c) 2/3
  33. 33.Which fraction is greater: 3/11 or 1/7? (a) 1/7 (b) They are equal (c) 3/11
  34. 34.Which fraction is greater: 7/10 or 3/8? (a) 7/10 (b) They are equal (c) 3/8
  35. 35.7/8 + 1/4 = ? (a) 5/4 (b) 2/3 (c) 1 (d) 9/8
  36. 36.2/3 + 4/8 = ? (a) 29/24 (b) 9/8 (c) 6/11 (d) 7/6
  37. 37.Which fraction is greater: 5/6 or 10/11? (a) 5/6 (b) 10/11 (c) They are equal
  38. 38.2/4 + 1/8 = ? (a) 3/4 (b) 5/8 (c) 1/2 (d) 1/4
  39. 39.What is 1/2 of 14? (a) 7 (b) 14 (c) 6 (d) 8
  40. 40.Which fraction is greater: 7/8 or 2/9? (a) 7/8 (b) They are equal (c) 2/9

Answer key

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

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