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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 910 · 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. 1.6/7 + 4/7 = ? (a) 5/7 (b) 10/7 (c) 11/7 (d) 9/7
  2. 2.1/2 + 1/8 = ? (a) 1/5 (b) 5/8 (c) 3/4 (d) 1/2
  3. 3.Which fraction is greater: 1/8 or 3/5? (a) They are equal (b) 1/8 (c) 3/5
  4. 4.2/7 + 2/3 = ? (a) 19/21 (b) 2/5 (c) 1 (d) 20/21
  5. 5.Which fraction is greater: 1/3 or 1/6? (a) They are equal (b) 1/3 (c) 1/6
  6. 6.8/9 + 1/4 = ? (a) 41/36 (b) 7/6 (c) 10/9 (d) 9/13
  7. 7.What is 3/8 of 16? (a) 10 (b) 6 (c) 2 (d) 8
  8. 8.2/3 + 2/3 = ? (a) 1 (b) 4/3 (c) 5/3 (d) 2/3
  9. 9.2/5 + 2/3 = ? (a) 17/15 (b) 1 (c) 16/15 (d) 1/2
  10. 10.Which fraction is greater: 3/4 or 1/3? (a) 1/3 (b) 3/4 (c) They are equal
  11. 11.Which fraction is greater: 3/4 or 1/6? (a) They are equal (b) 1/6 (c) 3/4
  12. 12.Which fraction is greater: 4/9 or 4/5? (a) 4/9 (b) 4/5 (c) They are equal
  13. 13.Which fraction is greater: 3/4 or 10/11? (a) 3/4 (b) They are equal (c) 10/11
  14. 14.What is 1/4 of 48? (a) 24 (b) 12 (c) 13 (d) 36
  15. 15.What is 1/6 of 36? (a) 30 (b) 7 (c) 6 (d) 12
  16. 16.What is 1/4 of 8? (a) 3 (b) 6 (c) 2 (d) 4
  17. 17.Which fraction is greater: 1/10 or 1/8? (a) 1/8 (b) They are equal (c) 1/10
  18. 18.Which fraction is greater: 1/5 or 2/7? (a) 2/7 (b) 1/5 (c) They are equal
  19. 19.3/4 + 1/2 = ? (a) 5/4 (b) 2/3 (c) 3/2 (d) 1
  20. 20.1/3 + 1/4 = ? (a) 7/12 (b) 2/3 (c) 1/2 (d) 2/7
  21. 21.What is 3/8 of 88? (a) 55 (b) 11 (c) 33 (d) 44
  22. 22.What is 1/5 of 25? (a) 20 (b) 6 (c) 10 (d) 5
  23. 23.Which fraction is greater: 2/3 or 3/5? (a) 2/3 (b) They are equal (c) 3/5
  24. 24.Which fraction is greater: 9/10 or 1/6? (a) They are equal (b) 1/6 (c) 9/10
  25. 25.1/2 + 1/6 = ? (a) 1/2 (b) 1/4 (c) 5/6 (d) 2/3
  26. 26.1/2 + 1/5 = ? (a) 4/5 (b) 3/5 (c) 2/7 (d) 7/10
  27. 27.What is 1/6 of 66? (a) 22 (b) 12 (c) 55 (d) 11
  28. 28.3/4 + 3/8 = ? (a) 9/8 (b) 5/4 (c) 1/2 (d) 1
  29. 29.What is 8/9 of 27? (a) 3 (b) 27 (c) 24 (d) 25
  30. 30.Which fraction is greater: 2/7 or 9/10? (a) 2/7 (b) 9/10 (c) They are equal
  31. 31.Which fraction is greater: 1/11 or 5/6? (a) 5/6 (b) 1/11 (c) They are equal
  32. 32.Which fraction is greater: 2/5 or 1/4? (a) 1/4 (b) 2/5 (c) They are equal
  33. 33.4/8 + 1/2 = ? (a) 9/8 (b) 1/2 (c) 1 (d) 7/8
  34. 34.What is 4/9 of 81? (a) 37 (b) 9 (c) 45 (d) 36
  35. 35.Which fraction is greater: 1/6 or 1/5? (a) 1/6 (b) They are equal (c) 1/5
  36. 36.Which fraction is greater: 2/5 or 1/6? (a) 1/6 (b) They are equal (c) 2/5
  37. 37.Which fraction is greater: 7/11 or 2/5? (a) 2/5 (b) 7/11 (c) They are equal
  38. 38.Which fraction is greater: 2/7 or 2/5? (a) 2/5 (b) They are equal (c) 2/7
  39. 39.2/3 + 3/5 = ? (a) 5/8 (b) 4/3 (c) 6/5 (d) 19/15
  40. 40.3/5 + 1/2 = ? (a) 4/7 (b) 6/5 (c) 1 (d) 11/10

Answer key

  1. 10/7
  2. 5/8
  3. 3/5
  4. 20/21
  5. 1/3
  6. 41/36
  7. 6
  8. 4/3
  9. 16/15
  10. 3/4
  11. 3/4
  12. 4/5
  13. 10/11
  14. 12
  15. 6
  16. 2
  17. 1/8
  18. 2/7
  19. 5/4
  20. 7/12
  21. 33
  22. 5
  23. 2/3
  24. 9/10
  25. 2/3
  26. 7/10
  27. 11
  28. 9/8
  29. 24
  30. 9/10
  31. 5/6
  32. 2/5
  33. 1
  34. 36
  35. 1/5
  36. 2/5
  37. 7/11
  38. 2/5
  39. 19/15
  40. 11/10

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