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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 805 · 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 15? (a) 5 (b) 15 (c) 11 (d) 10
  2. 2.Which fraction is greater: 2/11 or 1/6? (a) They are equal (b) 2/11 (c) 1/6
  3. 3.Which fraction is greater: 2/5 or 4/9? (a) 2/5 (b) They are equal (c) 4/9
  4. 4.1/7 + 4/5 = ? (a) 34/35 (b) 33/35 (c) 32/35 (d) 5/12
  5. 5.2/4 + 3/7 = ? (a) 5/11 (b) 25/28 (c) 13/14 (d) 27/28
  6. 6.4/5 + 1/2 = ? (a) 5/7 (b) 13/10 (c) 6/5 (d) 7/5
  7. 7.Which fraction is greater: 2/3 or 2/11? (a) They are equal (b) 2/11 (c) 2/3
  8. 8.4/7 + 1/2 = ? (a) 1 (b) 15/14 (c) 8/7 (d) 5/9
  9. 9.Which fraction is greater: 10/11 or 1/6? (a) 10/11 (b) They are equal (c) 1/6
  10. 10.Which fraction is greater: 5/12 or 3/5? (a) 5/12 (b) 3/5 (c) They are equal
  11. 11.Which fraction is greater: 1/4 or 1/11? (a) 1/11 (b) 1/4 (c) They are equal
  12. 12.1/6 + 1/2 = ? (a) 5/6 (b) 2/3 (c) 1/4 (d) 1/2
  13. 13.2/3 + 2/3 = ? (a) 2/3 (b) 4/3 (c) 1 (d) 5/3
  14. 14.Which fraction is greater: 1/3 or 1/8? (a) 1/3 (b) 1/8 (c) They are equal
  15. 15.Which fraction is greater: 1/5 or 4/7? (a) 4/7 (b) They are equal (c) 1/5
  16. 16.3/4 + 2/7 = ? (a) 1 (b) 5/11 (c) 15/14 (d) 29/28
  17. 17.Which fraction is greater: 1/8 or 1/6? (a) 1/6 (b) They are equal (c) 1/8
  18. 18.What is 6/7 of 14? (a) 14 (b) 13 (c) 12 (d) 2
  19. 19.2/3 + 1/2 = ? (a) 4/3 (b) 3/5 (c) 1 (d) 7/6
  20. 20.Which fraction is greater: 4/9 or 5/7? (a) 5/7 (b) 4/9 (c) They are equal
  21. 21.2/9 + 1/6 = ? (a) 1/3 (b) 7/18 (c) 4/9 (d) 1/5
  22. 22.4/6 + 1/6 = ? (a) 1 (b) 5/6 (c) 5/12 (d) 2/3
  23. 23.Which fraction is greater: 8/9 or 5/12? (a) They are equal (b) 5/12 (c) 8/9
  24. 24.Which fraction is greater: 9/11 or 3/5? (a) 3/5 (b) 9/11 (c) They are equal
  25. 25.1/4 + 2/5 = ? (a) 1/3 (b) 13/20 (c) 7/10 (d) 3/5
  26. 26.What is 1/8 of 56? (a) 8 (b) 49 (c) 14 (d) 7
  27. 27.Which fraction is greater: 3/8 or 3/4? (a) 3/4 (b) 3/8 (c) They are equal
  28. 28.7/8 + 1/4 = ? (a) 9/8 (b) 2/3 (c) 5/4 (d) 1
  29. 29.1/4 + 2/6 = ? (a) 3/10 (b) 2/3 (c) 7/12 (d) 1/2
  30. 30.Which fraction is greater: 3/11 or 1/7? (a) They are equal (b) 1/7 (c) 3/11
  31. 31.3/6 + 1/4 = ? (a) 5/6 (b) 2/3 (c) 2/5 (d) 3/4
  32. 32.4/5 + 6/7 = ? (a) 57/35 (b) 58/35 (c) 59/35 (d) 5/6
  33. 33.2/3 + 2/4 = ? (a) 5/4 (b) 13/12 (c) 7/6 (d) 4/7
  34. 34.1/2 + 2/5 = ? (a) 3/7 (b) 1 (c) 4/5 (d) 9/10
  35. 35.What is 7/8 of 24? (a) 3 (b) 21 (c) 22 (d) 24
  36. 36.What is 1/2 of 18? (a) 10 (b) 9 (c) 18 (d) 8
  37. 37.Which fraction is greater: 7/12 or 2/9? (a) 2/9 (b) 7/12 (c) They are equal
  38. 38.3/6 + 2/4 = ? (a) 1 (b) 11/12 (c) 13/12 (d) 1/2
  39. 39.What is 1/8 of 88? (a) 22 (b) 77 (c) 11 (d) 12
  40. 40.Which fraction is greater: 1/3 or 2/9? (a) 1/3 (b) 2/9 (c) They are equal

Answer key

  1. 10
  2. 2/11
  3. 4/9
  4. 33/35
  5. 13/14
  6. 13/10
  7. 2/3
  8. 15/14
  9. 10/11
  10. 3/5
  11. 1/4
  12. 2/3
  13. 4/3
  14. 1/3
  15. 4/7
  16. 29/28
  17. 1/6
  18. 12
  19. 7/6
  20. 5/7
  21. 7/18
  22. 5/6
  23. 8/9
  24. 9/11
  25. 13/20
  26. 7
  27. 3/4
  28. 9/8
  29. 7/12
  30. 3/11
  31. 3/4
  32. 58/35
  33. 7/6
  34. 9/10
  35. 21
  36. 9
  37. 7/12
  38. 1
  39. 11
  40. 1/3

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