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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 388 · 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 1/2 of 24? (a) 24 (b) 13 (c) 12 (d) 11
  2. 2.What is 7/8 of 16? (a) 2 (b) 15 (c) 16 (d) 14
  3. 3.Which fraction is greater: 1/9 or 3/5? (a) They are equal (b) 1/9 (c) 3/5
  4. 4.Which fraction is greater: 6/7 or 5/12? (a) They are equal (b) 6/7 (c) 5/12
  5. 5.What is 1/8 of 80? (a) 10 (b) 11 (c) 70 (d) 20
  6. 6.What is 3/4 of 8? (a) 2 (b) 6 (c) 7 (d) 8
  7. 7.Which fraction is greater: 5/8 or 1/3? (a) They are equal (b) 5/8 (c) 1/3
  8. 8.1/4 + 1/2 = ? (a) 1/3 (b) 3/4 (c) 1 (d) 1/2
  9. 9.What is 4/7 of 35? (a) 20 (b) 5 (c) 25 (d) 15
  10. 10.3/4 + 2/6 = ? (a) 1 (b) 1/2 (c) 7/6 (d) 13/12
  11. 11.What is 2/3 of 18? (a) 12 (b) 18 (c) 6 (d) 13
  12. 12.3/4 + 3/4 = ? (a) 7/4 (b) 3/2 (c) 3/4 (d) 5/4
  13. 13.Which fraction is greater: 1/3 or 1/9? (a) 1/3 (b) They are equal (c) 1/9
  14. 14.1/6 + 7/8 = ? (a) 13/12 (b) 25/24 (c) 1 (d) 4/7
  15. 15.What is 1/9 of 63? (a) 7 (b) 8 (c) 56 (d) 14
  16. 16.5/6 + 1/2 = ? (a) 4/3 (b) 7/6 (c) 3/2 (d) 3/4
  17. 17.What is 1/2 of 20? (a) 11 (b) 9 (c) 10 (d) 20
  18. 18.What is 2/9 of 27? (a) 9 (b) 6 (c) 21 (d) 3
  19. 19.What is 1/3 of 18? (a) 6 (b) 5 (c) 7 (d) 12
  20. 20.Which fraction is greater: 1/5 or 7/10? (a) 1/5 (b) 7/10 (c) They are equal
  21. 21.Which fraction is greater: 1/4 or 1/11? (a) 1/11 (b) They are equal (c) 1/4
  22. 22.Which fraction is greater: 4/5 or 3/10? (a) 4/5 (b) 3/10 (c) They are equal
  23. 23.What is 2/9 of 18? (a) 14 (b) 6 (c) 2 (d) 4
  24. 24.What is 5/6 of 54? (a) 46 (b) 54 (c) 9 (d) 45
  25. 25.What is 3/5 of 25? (a) 5 (b) 20 (c) 15 (d) 10
  26. 26.What is 1/2 of 22? (a) 22 (b) 10 (c) 11 (d) 12
  27. 27.5/6 + 1/4 = ? (a) 13/12 (b) 3/5 (c) 1 (d) 7/6
  28. 28.Which fraction is greater: 1/4 or 1/3? (a) 1/4 (b) 1/3 (c) They are equal
  29. 29.Which fraction is greater: 3/8 or 7/11? (a) 7/11 (b) They are equal (c) 3/8
  30. 30.Which fraction is greater: 7/8 or 7/10? (a) They are equal (b) 7/10 (c) 7/8
  31. 31.What is 1/9 of 81? (a) 9 (b) 18 (c) 72 (d) 10
  32. 32.What is 2/3 of 12? (a) 8 (b) 12 (c) 4 (d) 9
  33. 33.Which fraction is greater: 1/9 or 1/12? (a) 1/9 (b) 1/12 (c) They are equal
  34. 34.1/2 + 2/4 = ? (a) 1/2 (b) 5/4 (c) 1 (d) 3/4
  35. 35.What is 1/5 of 45? (a) 18 (b) 10 (c) 9 (d) 36
  36. 36.Which fraction is greater: 1/5 or 3/11? (a) 1/5 (b) 3/11 (c) They are equal
  37. 37.Which fraction is greater: 2/7 or 1/10? (a) They are equal (b) 1/10 (c) 2/7
  38. 38.Which fraction is greater: 5/12 or 3/8? (a) 3/8 (b) 5/12 (c) They are equal
  39. 39.1/3 + 1/5 = ? (a) 3/5 (b) 8/15 (c) 7/15 (d) 1/4
  40. 40.Which fraction is greater: 1/6 or 1/12? (a) 1/6 (b) 1/12 (c) They are equal

Answer key

  1. 12
  2. 14
  3. 3/5
  4. 6/7
  5. 10
  6. 6
  7. 5/8
  8. 3/4
  9. 20
  10. 13/12
  11. 12
  12. 3/2
  13. 1/3
  14. 25/24
  15. 7
  16. 4/3
  17. 10
  18. 6
  19. 6
  20. 7/10
  21. 1/4
  22. 4/5
  23. 4
  24. 45
  25. 15
  26. 11
  27. 13/12
  28. 1/3
  29. 7/11
  30. 7/8
  31. 9
  32. 8
  33. 1/9
  34. 1
  35. 9
  36. 3/11
  37. 2/7
  38. 5/12
  39. 8/15
  40. 1/6

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