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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 623 · 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 3/4 of 48? (a) 37 (b) 48 (c) 36 (d) 12
  2. 2.What is 3/4 of 36? (a) 27 (b) 36 (c) 28 (d) 9
  3. 3.2/4 + 2/4 = ? (a) 3/4 (b) 5/4 (c) 1 (d) 1/2
  4. 4.What is 1/2 of 16? (a) 7 (b) 9 (c) 8 (d) 16
  5. 5.1/4 + 1/2 = ? (a) 1/2 (b) 1/3 (c) 3/4 (d) 1
  6. 6.What is 1/3 of 15? (a) 6 (b) 10 (c) 5 (d) 4
  7. 7.3/4 + 1/3 = ? (a) 13/12 (b) 1 (c) 7/6 (d) 4/7
  8. 8.Which fraction is greater: 5/6 or 1/4? (a) They are equal (b) 5/6 (c) 1/4
  9. 9.What is 1/8 of 16? (a) 2 (b) 4 (c) 14 (d) 3
  10. 10.What is 7/8 of 80? (a) 71 (b) 10 (c) 70 (d) 80
  11. 11.What is 3/7 of 84? (a) 37 (b) 12 (c) 36 (d) 48
  12. 12.1/4 + 1/4 = ? (a) 3/4 (b) 1/2 (c) 1/4 (d) 1
  13. 13.What is 2/7 of 70? (a) 20 (b) 10 (c) 30 (d) 50
  14. 14.Which fraction is greater: 1/3 or 3/4? (a) 3/4 (b) 1/3 (c) They are equal
  15. 15.What is 1/8 of 64? (a) 56 (b) 9 (c) 16 (d) 8
  16. 16.Which fraction is greater: 2/3 or 6/7? (a) They are equal (b) 6/7 (c) 2/3
  17. 17.1/9 + 1/4 = ? (a) 7/18 (b) 13/36 (c) 2/13 (d) 1/3
  18. 18.What is 1/2 of 12? (a) 12 (b) 5 (c) 6 (d) 7
  19. 19.1/2 + 1/8 = ? (a) 5/8 (b) 3/4 (c) 1/2 (d) 1/5
  20. 20.What is 4/5 of 50? (a) 50 (b) 41 (c) 10 (d) 40
  21. 21.1/3 + 2/4 = ? (a) 3/4 (b) 11/12 (c) 5/6 (d) 3/7
  22. 22.Which fraction is greater: 3/5 or 4/7? (a) 4/7 (b) They are equal (c) 3/5
  23. 23.1/2 + 6/9 = ? (a) 7/11 (b) 11/9 (c) 7/6 (d) 10/9
  24. 24.What is 1/6 of 30? (a) 5 (b) 25 (c) 6 (d) 10
  25. 25.Which fraction is greater: 4/5 or 5/8? (a) 4/5 (b) They are equal (c) 5/8
  26. 26.Which fraction is greater: 4/5 or 1/7? (a) They are equal (b) 1/7 (c) 4/5
  27. 27.Which fraction is greater: 4/5 or 4/11? (a) 4/5 (b) 4/11 (c) They are equal
  28. 28.2/4 + 1/3 = ? (a) 5/6 (b) 3/7 (c) 3/4 (d) 11/12
  29. 29.What is 1/2 of 18? (a) 9 (b) 18 (c) 8 (d) 10
  30. 30.Which fraction is greater: 6/11 or 1/3? (a) 1/3 (b) 6/11 (c) They are equal
  31. 31.Which fraction is greater: 1/3 or 3/5? (a) 3/5 (b) 1/3 (c) They are equal
  32. 32.Which fraction is greater: 2/3 or 3/4? (a) They are equal (b) 3/4 (c) 2/3
  33. 33.Which fraction is greater: 1/9 or 5/8? (a) 5/8 (b) They are equal (c) 1/9
  34. 34.Which fraction is greater: 1/4 or 1/7? (a) 1/4 (b) They are equal (c) 1/7
  35. 35.Which fraction is greater: 2/3 or 8/9? (a) 2/3 (b) 8/9 (c) They are equal
  36. 36.2/9 + 1/4 = ? (a) 3/13 (b) 4/9 (c) 17/36 (d) 1/2
  37. 37.1/3 + 1/3 = ? (a) 4/3 (b) 2/3 (c) 1/3 (d) 1
  38. 38.What is 3/5 of 10? (a) 2 (b) 4 (c) 6 (d) 8
  39. 39.Which fraction is greater: 1/8 or 6/11? (a) 1/8 (b) 6/11 (c) They are equal
  40. 40.Which fraction is greater: 1/3 or 1/4? (a) 1/4 (b) They are equal (c) 1/3

Answer key

  1. 36
  2. 27
  3. 1
  4. 8
  5. 3/4
  6. 5
  7. 13/12
  8. 5/6
  9. 2
  10. 70
  11. 36
  12. 1/2
  13. 20
  14. 3/4
  15. 8
  16. 6/7
  17. 13/36
  18. 6
  19. 5/8
  20. 40
  21. 5/6
  22. 3/5
  23. 7/6
  24. 5
  25. 4/5
  26. 4/5
  27. 4/5
  28. 5/6
  29. 9
  30. 6/11
  31. 3/5
  32. 3/4
  33. 5/8
  34. 1/4
  35. 8/9
  36. 17/36
  37. 2/3
  38. 6
  39. 6/11
  40. 1/3

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