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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 993 · 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 33? (a) 11 (b) 22 (c) 33 (d) 23
  2. 2.Which fraction is greater: 3/10 or 2/11? (a) 3/10 (b) 2/11 (c) They are equal
  3. 3.3/8 + 1/2 = ? (a) 2/5 (b) 3/4 (c) 1 (d) 7/8
  4. 4.Which fraction is greater: 1/3 or 1/4? (a) They are equal (b) 1/4 (c) 1/3
  5. 5.1/4 + 1/2 = ? (a) 1/3 (b) 3/4 (c) 1 (d) 1/2
  6. 6.Which fraction is greater: 3/10 or 6/7? (a) 3/10 (b) 6/7 (c) They are equal
  7. 7.What is 1/2 of 12? (a) 12 (b) 6 (c) 5 (d) 7
  8. 8.What is 1/3 of 30? (a) 20 (b) 11 (c) 10 (d) 9
  9. 9.What is 1/2 of 10? (a) 4 (b) 6 (c) 10 (d) 5
  10. 10.What is 2/3 of 12? (a) 8 (b) 4 (c) 9 (d) 12
  11. 11.What is 8/9 of 18? (a) 2 (b) 18 (c) 17 (d) 16
  12. 12.Which fraction is greater: 4/5 or 3/7? (a) 3/7 (b) They are equal (c) 4/5
  13. 13.Which fraction is greater: 5/11 or 5/7? (a) They are equal (b) 5/7 (c) 5/11
  14. 14.Which fraction is greater: 3/5 or 3/10? (a) They are equal (b) 3/5 (c) 3/10
  15. 15.What is 4/5 of 55? (a) 11 (b) 45 (c) 55 (d) 44
  16. 16.3/6 + 7/8 = ? (a) 17/12 (b) 5/7 (c) 11/8 (d) 4/3
  17. 17.Which fraction is greater: 3/10 or 4/11? (a) 3/10 (b) They are equal (c) 4/11
  18. 18.Which fraction is greater: 1/3 or 4/7? (a) 4/7 (b) They are equal (c) 1/3
  19. 19.Which fraction is greater: 1/8 or 1/5? (a) They are equal (b) 1/5 (c) 1/8
  20. 20.What is 3/4 of 20? (a) 5 (b) 15 (c) 20 (d) 16
  21. 21.Which fraction is greater: 5/12 or 1/3? (a) They are equal (b) 1/3 (c) 5/12
  22. 22.What is 1/6 of 18? (a) 3 (b) 4 (c) 15 (d) 6
  23. 23.Which fraction is greater: 4/5 or 1/9? (a) They are equal (b) 4/5 (c) 1/9
  24. 24.Which fraction is greater: 4/11 or 2/3? (a) They are equal (b) 2/3 (c) 4/11
  25. 25.2/6 + 3/8 = ? (a) 17/24 (b) 2/3 (c) 5/14 (d) 3/4
  26. 26.Which fraction is greater: 3/4 or 1/6? (a) They are equal (b) 3/4 (c) 1/6
  27. 27.Which fraction is greater: 1/4 or 5/7? (a) They are equal (b) 5/7 (c) 1/4
  28. 28.What is 5/6 of 48? (a) 48 (b) 8 (c) 40 (d) 41
  29. 29.1/6 + 2/3 = ? (a) 1 (b) 2/3 (c) 1/3 (d) 5/6
  30. 30.What is 1/5 of 50? (a) 11 (b) 40 (c) 10 (d) 20
  31. 31.Which fraction is greater: 2/3 or 7/8? (a) 2/3 (b) 7/8 (c) They are equal
  32. 32.1/2 + 3/5 = ? (a) 1 (b) 6/5 (c) 4/7 (d) 11/10
  33. 33.Which fraction is greater: 6/7 or 6/11? (a) They are equal (b) 6/7 (c) 6/11
  34. 34.Which fraction is greater: 1/3 or 7/9? (a) They are equal (b) 1/3 (c) 7/9
  35. 35.2/8 + 2/3 = ? (a) 11/12 (b) 7/8 (c) 23/24 (d) 4/11
  36. 36.1/7 + 2/7 = ? (a) 3/7 (b) 2/7 (c) 4/7 (d) 3/14
  37. 37.Which fraction is greater: 1/9 or 1/6? (a) 1/9 (b) They are equal (c) 1/6
  38. 38.3/8 + 5/6 = ? (a) 7/6 (b) 5/4 (c) 4/7 (d) 29/24
  39. 39.2/8 + 2/4 = ? (a) 1/3 (b) 7/8 (c) 3/4 (d) 5/8
  40. 40.Which fraction is greater: 3/5 or 1/3? (a) 1/3 (b) 3/5 (c) They are equal

Answer key

  1. 22
  2. 3/10
  3. 7/8
  4. 1/3
  5. 3/4
  6. 6/7
  7. 6
  8. 10
  9. 5
  10. 8
  11. 16
  12. 4/5
  13. 5/7
  14. 3/5
  15. 44
  16. 11/8
  17. 4/11
  18. 4/7
  19. 1/5
  20. 15
  21. 5/12
  22. 3
  23. 4/5
  24. 2/3
  25. 17/24
  26. 3/4
  27. 5/7
  28. 40
  29. 5/6
  30. 10
  31. 7/8
  32. 11/10
  33. 6/7
  34. 7/9
  35. 11/12
  36. 3/7
  37. 1/6
  38. 29/24
  39. 3/4
  40. 3/5

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