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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 328 · 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: 1/11 or 1/6? (a) 1/6 (b) They are equal (c) 1/11
  2. 2.Which fraction is greater: 1/10 or 7/12? (a) 7/12 (b) 1/10 (c) They are equal
  3. 3.What is 3/5 of 50? (a) 40 (b) 30 (c) 10 (d) 20
  4. 4.Which fraction is greater: 4/5 or 8/9? (a) They are equal (b) 8/9 (c) 4/5
  5. 5.1/3 + 8/9 = ? (a) 3/4 (b) 11/9 (c) 4/3 (d) 10/9
  6. 6.Which fraction is greater: 5/12 or 2/9? (a) They are equal (b) 5/12 (c) 2/9
  7. 7.2/3 + 4/6 = ? (a) 4/3 (b) 7/6 (c) 2/3 (d) 3/2
  8. 8.1/2 + 2/5 = ? (a) 1 (b) 3/7 (c) 4/5 (d) 9/10
  9. 9.Which fraction is greater: 7/12 or 5/6? (a) 7/12 (b) 5/6 (c) They are equal
  10. 10.1/2 + 3/4 = ? (a) 2/3 (b) 5/4 (c) 3/2 (d) 1
  11. 11.Which fraction is greater: 5/9 or 10/11? (a) 10/11 (b) 5/9 (c) They are equal
  12. 12.What is 4/9 of 27? (a) 12 (b) 13 (c) 15 (d) 3
  13. 13.What is 1/4 of 8? (a) 4 (b) 6 (c) 2 (d) 3
  14. 14.Which fraction is greater: 3/8 or 1/6? (a) 1/6 (b) 3/8 (c) They are equal
  15. 15.What is 1/6 of 12? (a) 2 (b) 4 (c) 10 (d) 3
  16. 16.Which fraction is greater: 1/3 or 2/5? (a) They are equal (b) 1/3 (c) 2/5
  17. 17.What is 1/2 of 12? (a) 5 (b) 12 (c) 6 (d) 7
  18. 18.What is 2/7 of 63? (a) 27 (b) 18 (c) 45 (d) 9
  19. 19.Which fraction is greater: 2/7 or 1/4? (a) 2/7 (b) They are equal (c) 1/4
  20. 20.Which fraction is greater: 1/4 or 7/8? (a) 7/8 (b) 1/4 (c) They are equal
  21. 21.Which fraction is greater: 1/3 or 7/11? (a) They are equal (b) 7/11 (c) 1/3
  22. 22.What is 1/2 of 14? (a) 8 (b) 7 (c) 6 (d) 14
  23. 23.1/2 + 1/2 = ? (a) 1/2 (b) 3/2 (c) 2 (d) 1
  24. 24.Which fraction is greater: 1/10 or 1/8? (a) They are equal (b) 1/10 (c) 1/8
  25. 25.Which fraction is greater: 1/6 or 1/5? (a) They are equal (b) 1/5 (c) 1/6
  26. 26.What is 7/9 of 90? (a) 20 (b) 70 (c) 10 (d) 80
  27. 27.What is 2/3 of 18? (a) 12 (b) 6 (c) 18 (d) 13
  28. 28.2/6 + 4/5 = ? (a) 6/11 (b) 17/15 (c) 11/10 (d) 7/6
  29. 29.3/5 + 3/5 = ? (a) 1 (b) 6/5 (c) 3/5 (d) 7/5
  30. 30.What is 1/9 of 99? (a) 22 (b) 12 (c) 11 (d) 88
  31. 31.Which fraction is greater: 3/8 or 7/12? (a) 3/8 (b) They are equal (c) 7/12
  32. 32.Which fraction is greater: 3/4 or 1/8? (a) They are equal (b) 1/8 (c) 3/4
  33. 33.What is 2/3 of 9? (a) 7 (b) 6 (c) 9 (d) 3
  34. 34.1/3 + 1/7 = ? (a) 3/7 (b) 11/21 (c) 10/21 (d) 1/5
  35. 35.Which fraction is greater: 3/4 or 5/9? (a) 5/9 (b) They are equal (c) 3/4
  36. 36.Which fraction is greater: 2/3 or 4/9? (a) They are equal (b) 4/9 (c) 2/3
  37. 37.What is 1/3 of 12? (a) 8 (b) 4 (c) 5 (d) 3
  38. 38.2/5 + 5/6 = ? (a) 37/30 (b) 7/11 (c) 19/15 (d) 6/5
  39. 39.3/8 + 2/8 = ? (a) 1/2 (b) 3/4 (c) 5/8 (d) 5/16
  40. 40.3/9 + 3/6 = ? (a) 8/9 (b) 7/9 (c) 2/5 (d) 5/6

Answer key

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

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