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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 523 · 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: 2/9 or 1/5? (a) 2/9 (b) They are equal (c) 1/5
  2. 2.Which fraction is greater: 1/3 or 3/4? (a) 1/3 (b) They are equal (c) 3/4
  3. 3.Which fraction is greater: 8/11 or 1/3? (a) 8/11 (b) 1/3 (c) They are equal
  4. 4.What is 1/3 of 18? (a) 7 (b) 12 (c) 5 (d) 6
  5. 5.Which fraction is greater: 2/7 or 2/3? (a) They are equal (b) 2/3 (c) 2/7
  6. 6.What is 1/6 of 30? (a) 10 (b) 5 (c) 25 (d) 6
  7. 7.What is 1/8 of 24? (a) 3 (b) 4 (c) 6 (d) 21
  8. 8.Which fraction is greater: 2/3 or 2/7? (a) 2/3 (b) 2/7 (c) They are equal
  9. 9.1/2 + 1/6 = ? (a) 1/4 (b) 2/3 (c) 5/6 (d) 1/2
  10. 10.Which fraction is greater: 5/7 or 2/3? (a) They are equal (b) 5/7 (c) 2/3
  11. 11.What is 2/3 of 6? (a) 6 (b) 4 (c) 5 (d) 2
  12. 12.8/9 + 2/3 = ? (a) 5/6 (b) 13/9 (c) 14/9 (d) 5/3
  13. 13.3/8 + 2/3 = ? (a) 13/12 (b) 5/11 (c) 25/24 (d) 1
  14. 14.Which fraction is greater: 7/9 or 2/3? (a) They are equal (b) 2/3 (c) 7/9
  15. 15.What is 1/5 of 20? (a) 16 (b) 5 (c) 4 (d) 8
  16. 16.What is 1/5 of 45? (a) 36 (b) 18 (c) 10 (d) 9
  17. 17.Which fraction is greater: 2/3 or 9/10? (a) 2/3 (b) 9/10 (c) They are equal
  18. 18.Which fraction is greater: 1/5 or 5/11? (a) They are equal (b) 5/11 (c) 1/5
  19. 19.What is 5/8 of 48? (a) 6 (b) 18 (c) 36 (d) 30
  20. 20.4/6 + 2/5 = ? (a) 16/15 (b) 11/10 (c) 31/30 (d) 6/11
  21. 21.1/7 + 2/3 = ? (a) 6/7 (b) 3/10 (c) 16/21 (d) 17/21
  22. 22.4/9 + 3/6 = ? (a) 17/18 (b) 8/9 (c) 7/15 (d) 1
  23. 23.4/5 + 2/3 = ? (a) 3/4 (b) 7/5 (c) 22/15 (d) 23/15
  24. 24.1/3 + 3/4 = ? (a) 4/7 (b) 13/12 (c) 1 (d) 7/6
  25. 25.1/7 + 1/7 = ? (a) 3/7 (b) 1/7 (c) 4/7 (d) 2/7
  26. 26.4/5 + 1/4 = ? (a) 21/20 (b) 1 (c) 11/10 (d) 5/9
  27. 27.1/4 + 3/4 = ? (a) 1/2 (b) 3/4 (c) 5/4 (d) 1
  28. 28.3/6 + 1/8 = ? (a) 5/8 (b) 2/3 (c) 2/7 (d) 7/12
  29. 29.What is 1/4 of 12? (a) 6 (b) 9 (c) 4 (d) 3
  30. 30.Which fraction is greater: 1/9 or 5/7? (a) 1/9 (b) 5/7 (c) They are equal
  31. 31.Which fraction is greater: 4/5 or 3/4? (a) 3/4 (b) They are equal (c) 4/5
  32. 32.2/9 + 3/4 = ? (a) 35/36 (b) 1 (c) 5/13 (d) 17/18
  33. 33.What is 1/2 of 6? (a) 6 (b) 4 (c) 3 (d) 2
  34. 34.Which fraction is greater: 1/4 or 5/6? (a) 1/4 (b) 5/6 (c) They are equal
  35. 35.1/3 + 1/3 = ? (a) 1 (b) 4/3 (c) 1/3 (d) 2/3
  36. 36.Which fraction is greater: 3/4 or 1/5? (a) They are equal (b) 3/4 (c) 1/5
  37. 37.Which fraction is greater: 3/8 or 1/5? (a) 1/5 (b) They are equal (c) 3/8
  38. 38.6/7 + 1/2 = ? (a) 9/7 (b) 19/14 (c) 10/7 (d) 7/9
  39. 39.What is 1/2 of 10? (a) 10 (b) 6 (c) 4 (d) 5
  40. 40.Which fraction is greater: 4/5 or 1/3? (a) 1/3 (b) 4/5 (c) They are equal

Answer key

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

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