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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 2 · 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 2/3 of 12? (a) 12 (b) 4 (c) 8 (d) 9
  2. 2.2/4 + 2/9 = ? (a) 4/13 (b) 3/4 (c) 13/18 (d) 25/36
  3. 3.Which fraction is greater: 3/5 or 2/3? (a) 3/5 (b) They are equal (c) 2/3
  4. 4.Which fraction is greater: 7/8 or 4/5? (a) 7/8 (b) They are equal (c) 4/5
  5. 5.1/3 + 2/9 = ? (a) 4/9 (b) 2/3 (c) 1/4 (d) 5/9
  6. 6.Which fraction is greater: 2/3 or 3/4? (a) 3/4 (b) They are equal (c) 2/3
  7. 7.What is 3/5 of 15? (a) 9 (b) 6 (c) 3 (d) 12
  8. 8.What is 4/7 of 28? (a) 16 (b) 12 (c) 20 (d) 4
  9. 9.Which fraction is greater: 1/6 or 2/5? (a) 2/5 (b) They are equal (c) 1/6
  10. 10.1/3 + 1/7 = ? (a) 11/21 (b) 10/21 (c) 1/5 (d) 3/7
  11. 11.4/6 + 3/8 = ? (a) 1/2 (b) 13/12 (c) 25/24 (d) 1
  12. 12.What is 2/7 of 28? (a) 20 (b) 12 (c) 4 (d) 8
  13. 13.5/8 + 3/4 = ? (a) 11/8 (b) 3/2 (c) 2/3 (d) 5/4
  14. 14.3/4 + 2/3 = ? (a) 17/12 (b) 5/7 (c) 3/2 (d) 4/3
  15. 15.Which fraction is greater: 5/6 or 1/9? (a) 5/6 (b) 1/9 (c) They are equal
  16. 16.What is 3/7 of 21? (a) 9 (b) 10 (c) 3 (d) 12
  17. 17.Which fraction is greater: 6/11 or 1/8? (a) They are equal (b) 1/8 (c) 6/11
  18. 18.2/7 + 2/3 = ? (a) 2/5 (b) 19/21 (c) 1 (d) 20/21
  19. 19.Which fraction is greater: 1/5 or 2/7? (a) 2/7 (b) 1/5 (c) They are equal
  20. 20.What is 8/9 of 54? (a) 6 (b) 49 (c) 54 (d) 48
  21. 21.What is 2/5 of 60? (a) 25 (b) 12 (c) 36 (d) 24
  22. 22.3/6 + 1/2 = ? (a) 1/2 (b) 7/6 (c) 1 (d) 5/6
  23. 23.1/2 + 3/8 = ? (a) 2/5 (b) 7/8 (c) 1 (d) 3/4
  24. 24.4/5 + 2/7 = ? (a) 1/2 (b) 38/35 (c) 39/35 (d) 37/35
  25. 25.7/8 + 1/2 = ? (a) 4/5 (b) 11/8 (c) 3/2 (d) 5/4
  26. 26.Which fraction is greater: 3/8 or 8/11? (a) 8/11 (b) They are equal (c) 3/8
  27. 27.Which fraction is greater: 1/3 or 1/4? (a) 1/3 (b) 1/4 (c) They are equal
  28. 28.Which fraction is greater: 2/5 or 1/3? (a) They are equal (b) 2/5 (c) 1/3
  29. 29.5/6 + 4/8 = ? (a) 9/14 (b) 4/3 (c) 11/8 (d) 31/24
  30. 30.Which fraction is greater: 7/12 or 3/7? (a) They are equal (b) 3/7 (c) 7/12
  31. 31.Which fraction is greater: 1/3 or 5/11? (a) 1/3 (b) They are equal (c) 5/11
  32. 32.What is 5/8 of 48? (a) 18 (b) 6 (c) 30 (d) 36
  33. 33.Which fraction is greater: 4/5 or 5/7? (a) 5/7 (b) 4/5 (c) They are equal
  34. 34.Which fraction is greater: 7/12 or 3/5? (a) 7/12 (b) They are equal (c) 3/5
  35. 35.Which fraction is greater: 10/11 or 1/4? (a) 1/4 (b) 10/11 (c) They are equal
  36. 36.What is 1/2 of 14? (a) 6 (b) 8 (c) 14 (d) 7
  37. 37.What is 2/9 of 18? (a) 2 (b) 4 (c) 6 (d) 14
  38. 38.What is 2/3 of 30? (a) 30 (b) 20 (c) 10 (d) 21
  39. 39.Which fraction is greater: 7/10 or 2/5? (a) 7/10 (b) 2/5 (c) They are equal
  40. 40.1/2 + 4/8 = ? (a) 1 (b) 9/8 (c) 1/2 (d) 7/8

Answer key

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

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