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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 117 · 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. 1.4/8 + 2/8 = ? (a) 7/8 (b) 3/8 (c) 5/8 (d) 3/4
  2. 2.7/8 + 1/8 = ? (a) 9/8 (b) 7/8 (c) 1 (d) 1/2
  3. 3.What is 1/2 of 16? (a) 7 (b) 9 (c) 16 (d) 8
  4. 4.Which fraction is greater: 1/3 or 1/6? (a) 1/3 (b) They are equal (c) 1/6
  5. 5.1/5 + 1/3 = ? (a) 1/4 (b) 7/15 (c) 3/5 (d) 8/15
  6. 6.1/2 + 5/7 = ? (a) 17/14 (b) 2/3 (c) 8/7 (d) 9/7
  7. 7.Which fraction is greater: 3/7 or 1/3? (a) 1/3 (b) 3/7 (c) They are equal
  8. 8.1/2 + 2/4 = ? (a) 1 (b) 1/2 (c) 3/4 (d) 5/4
  9. 9.Which fraction is greater: 7/11 or 2/3? (a) 2/3 (b) 7/11 (c) They are equal
  10. 10.Which fraction is greater: 7/12 or 1/3? (a) 1/3 (b) They are equal (c) 7/12
  11. 11.What is 2/3 of 18? (a) 12 (b) 6 (c) 18 (d) 13
  12. 12.6/8 + 6/8 = ? (a) 13/8 (b) 3/4 (c) 11/8 (d) 3/2
  13. 13.Which fraction is greater: 1/4 or 1/11? (a) They are equal (b) 1/4 (c) 1/11
  14. 14.1/4 + 7/9 = ? (a) 37/36 (b) 1 (c) 8/13 (d) 19/18
  15. 15.What is 1/9 of 54? (a) 12 (b) 6 (c) 7 (d) 48
  16. 16.Which fraction is greater: 2/7 or 2/9? (a) 2/9 (b) They are equal (c) 2/7
  17. 17.Which fraction is greater: 3/10 or 5/9? (a) 5/9 (b) They are equal (c) 3/10
  18. 18.Which fraction is greater: 1/4 or 7/10? (a) 7/10 (b) They are equal (c) 1/4
  19. 19.Which fraction is greater: 3/4 or 1/11? (a) 1/11 (b) They are equal (c) 3/4
  20. 20.Which fraction is greater: 4/5 or 3/10? (a) 3/10 (b) 4/5 (c) They are equal
  21. 21.What is 3/5 of 35? (a) 14 (b) 21 (c) 28 (d) 7
  22. 22.2/9 + 1/3 = ? (a) 1/4 (b) 2/3 (c) 5/9 (d) 4/9
  23. 23.What is 2/3 of 12? (a) 8 (b) 9 (c) 4 (d) 12
  24. 24.4/6 + 2/6 = ? (a) 1 (b) 1/2 (c) 7/6 (d) 5/6
  25. 25.Which fraction is greater: 4/5 or 3/4? (a) 3/4 (b) 4/5 (c) They are equal
  26. 26.What is 1/2 of 6? (a) 4 (b) 6 (c) 3 (d) 2
  27. 27.What is 3/5 of 25? (a) 5 (b) 20 (c) 10 (d) 15
  28. 28.Which fraction is greater: 5/6 or 2/11? (a) 5/6 (b) They are equal (c) 2/11
  29. 29.Which fraction is greater: 1/8 or 4/5? (a) 4/5 (b) 1/8 (c) They are equal
  30. 30.What is 1/6 of 24? (a) 20 (b) 5 (c) 8 (d) 4
  31. 31.1/5 + 1/6 = ? (a) 2/5 (b) 11/30 (c) 2/11 (d) 1/3
  32. 32.Which fraction is greater: 2/7 or 1/11? (a) 1/11 (b) They are equal (c) 2/7
  33. 33.Which fraction is greater: 1/5 or 1/8? (a) 1/8 (b) They are equal (c) 1/5
  34. 34.Which fraction is greater: 2/9 or 11/12? (a) They are equal (b) 11/12 (c) 2/9
  35. 35.Which fraction is greater: 7/8 or 1/4? (a) 7/8 (b) They are equal (c) 1/4
  36. 36.1/3 + 1/4 = ? (a) 2/7 (b) 7/12 (c) 2/3 (d) 1/2
  37. 37.1/9 + 2/4 = ? (a) 7/12 (b) 23/36 (c) 11/18 (d) 3/13
  38. 38.What is 2/5 of 15? (a) 9 (b) 7 (c) 3 (d) 6
  39. 39.2/3 + 4/7 = ? (a) 9/7 (b) 3/5 (c) 25/21 (d) 26/21
  40. 40.Which fraction is greater: 2/3 or 1/5? (a) 1/5 (b) They are equal (c) 2/3

Answer key

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

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