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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 12 · 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: 3/11 or 2/7? (a) 2/7 (b) They are equal (c) 3/11
  2. 2.What is 1/7 of 21? (a) 4 (b) 6 (c) 3 (d) 18
  3. 3.1/4 + 3/8 = ? (a) 1/3 (b) 1/2 (c) 3/4 (d) 5/8
  4. 4.Which fraction is greater: 1/3 or 7/12? (a) 7/12 (b) They are equal (c) 1/3
  5. 5.What is 1/2 of 12? (a) 5 (b) 7 (c) 6 (d) 12
  6. 6.Which fraction is greater: 3/4 or 1/11? (a) They are equal (b) 3/4 (c) 1/11
  7. 7.Which fraction is greater: 1/12 or 3/11? (a) They are equal (b) 1/12 (c) 3/11
  8. 8.Which fraction is greater: 1/6 or 2/7? (a) 1/6 (b) 2/7 (c) They are equal
  9. 9.What is 5/6 of 30? (a) 25 (b) 26 (c) 5 (d) 30
  10. 10.Which fraction is greater: 10/11 or 2/3? (a) 2/3 (b) 10/11 (c) They are equal
  11. 11.Which fraction is greater: 2/9 or 5/12? (a) 5/12 (b) 2/9 (c) They are equal
  12. 12.What is 1/5 of 25? (a) 10 (b) 6 (c) 20 (d) 5
  13. 13.Which fraction is greater: 1/4 or 1/7? (a) 1/4 (b) They are equal (c) 1/7
  14. 14.What is 2/3 of 30? (a) 10 (b) 21 (c) 30 (d) 20
  15. 15.1/2 + 5/8 = ? (a) 9/8 (b) 3/5 (c) 1 (d) 5/4
  16. 16.1/2 + 3/4 = ? (a) 3/2 (b) 5/4 (c) 1 (d) 2/3
  17. 17.Which fraction is greater: 2/7 or 2/5? (a) 2/7 (b) 2/5 (c) They are equal
  18. 18.What is 1/3 of 36? (a) 12 (b) 11 (c) 24 (d) 13
  19. 19.What is 1/2 of 24? (a) 24 (b) 11 (c) 13 (d) 12
  20. 20.6/7 + 1/2 = ? (a) 19/14 (b) 10/7 (c) 7/9 (d) 9/7
  21. 21.1/2 + 2/3 = ? (a) 1 (b) 7/6 (c) 4/3 (d) 3/5
  22. 22.4/9 + 7/9 = ? (a) 4/3 (b) 10/9 (c) 11/9 (d) 11/18
  23. 23.Which fraction is greater: 5/11 or 1/10? (a) 5/11 (b) They are equal (c) 1/10
  24. 24.Which fraction is greater: 2/3 or 2/11? (a) 2/11 (b) They are equal (c) 2/3
  25. 25.1/2 + 4/5 = ? (a) 6/5 (b) 5/7 (c) 7/5 (d) 13/10
  26. 26.Which fraction is greater: 1/3 or 2/7? (a) They are equal (b) 1/3 (c) 2/7
  27. 27.Which fraction is greater: 2/3 or 1/5? (a) 1/5 (b) They are equal (c) 2/3
  28. 28.1/4 + 1/6 = ? (a) 1/5 (b) 1/3 (c) 1/2 (d) 5/12
  29. 29.Which fraction is greater: 2/7 or 1/4? (a) 2/7 (b) They are equal (c) 1/4
  30. 30.Which fraction is greater: 1/5 or 3/7? (a) 3/7 (b) They are equal (c) 1/5
  31. 31.What is 1/8 of 64? (a) 8 (b) 56 (c) 9 (d) 16
  32. 32.1/3 + 2/9 = ? (a) 5/9 (b) 1/4 (c) 4/9 (d) 2/3
  33. 33.What is 1/3 of 9? (a) 3 (b) 2 (c) 4 (d) 6
  34. 34.What is 3/4 of 36? (a) 36 (b) 27 (c) 28 (d) 9
  35. 35.What is 2/3 of 12? (a) 12 (b) 8 (c) 4 (d) 9
  36. 36.Which fraction is greater: 7/9 or 5/7? (a) 5/7 (b) They are equal (c) 7/9
  37. 37.2/7 + 1/2 = ? (a) 11/14 (b) 6/7 (c) 1/3 (d) 5/7
  38. 38.Which fraction is greater: 2/5 or 3/4? (a) 3/4 (b) They are equal (c) 2/5
  39. 39.2/3 + 2/3 = ? (a) 5/3 (b) 4/3 (c) 1 (d) 2/3
  40. 40.What is 1/3 of 30? (a) 20 (b) 9 (c) 11 (d) 10

Answer key

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

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