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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 305 · 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: 6/7 or 8/9? (a) 6/7 (b) They are equal (c) 8/9
  2. 2.2/5 + 3/5 = ? (a) 6/5 (b) 4/5 (c) 1 (d) 1/2
  3. 3.Which fraction is greater: 1/4 or 4/11? (a) 4/11 (b) They are equal (c) 1/4
  4. 4.1/6 + 1/2 = ? (a) 1/4 (b) 2/3 (c) 5/6 (d) 1/2
  5. 5.1/3 + 1/2 = ? (a) 2/3 (b) 2/5 (c) 1 (d) 5/6
  6. 6.5/7 + 1/4 = ? (a) 6/11 (b) 27/28 (c) 13/14 (d) 1
  7. 7.What is 1/7 of 70? (a) 10 (b) 11 (c) 60 (d) 20
  8. 8.Which fraction is greater: 5/6 or 2/3? (a) 2/3 (b) They are equal (c) 5/6
  9. 9.What is 2/3 of 15? (a) 15 (b) 5 (c) 10 (d) 11
  10. 10.What is 1/3 of 36? (a) 13 (b) 24 (c) 11 (d) 12
  11. 11.1/2 + 1/2 = ? (a) 1 (b) 2 (c) 3/2 (d) 1/2
  12. 12.What is 1/2 of 8? (a) 3 (b) 5 (c) 4 (d) 8
  13. 13.Which fraction is greater: 4/11 or 2/9? (a) 4/11 (b) They are equal (c) 2/9
  14. 14.Which fraction is greater: 1/3 or 7/9? (a) They are equal (b) 7/9 (c) 1/3
  15. 15.Which fraction is greater: 1/3 or 2/5? (a) 2/5 (b) They are equal (c) 1/3
  16. 16.Which fraction is greater: 5/7 or 4/5? (a) 4/5 (b) 5/7 (c) They are equal
  17. 17.2/4 + 1/3 = ? (a) 11/12 (b) 3/7 (c) 3/4 (d) 5/6
  18. 18.Which fraction is greater: 5/12 or 2/9? (a) 2/9 (b) They are equal (c) 5/12
  19. 19.4/5 + 1/2 = ? (a) 5/7 (b) 13/10 (c) 6/5 (d) 7/5
  20. 20.What is 1/9 of 99? (a) 88 (b) 12 (c) 22 (d) 11
  21. 21.Which fraction is greater: 1/3 or 1/4? (a) 1/3 (b) 1/4 (c) They are equal
  22. 22.What is 7/9 of 36? (a) 28 (b) 8 (c) 32 (d) 4
  23. 23.Which fraction is greater: 9/10 or 9/11? (a) 9/10 (b) 9/11 (c) They are equal
  24. 24.Which fraction is greater: 1/4 or 2/11? (a) 2/11 (b) 1/4 (c) They are equal
  25. 25.Which fraction is greater: 2/5 or 1/7? (a) 1/7 (b) They are equal (c) 2/5
  26. 26.3/4 + 2/4 = ? (a) 5/4 (b) 5/8 (c) 1 (d) 3/2
  27. 27.Which fraction is greater: 8/11 or 1/4? (a) 8/11 (b) 1/4 (c) They are equal
  28. 28.Which fraction is greater: 1/5 or 1/9? (a) They are equal (b) 1/9 (c) 1/5
  29. 29.What is 1/8 of 24? (a) 6 (b) 3 (c) 21 (d) 4
  30. 30.What is 1/3 of 33? (a) 10 (b) 12 (c) 22 (d) 11
  31. 31.What is 4/9 of 72? (a) 33 (b) 40 (c) 32 (d) 8
  32. 32.1/2 + 2/3 = ? (a) 1 (b) 4/3 (c) 7/6 (d) 3/5
  33. 33.What is 5/6 of 12? (a) 2 (b) 12 (c) 11 (d) 10
  34. 34.What is 1/2 of 18? (a) 18 (b) 9 (c) 10 (d) 8
  35. 35.Which fraction is greater: 2/7 or 1/3? (a) 2/7 (b) They are equal (c) 1/3
  36. 36.Which fraction is greater: 1/7 or 5/6? (a) 1/7 (b) They are equal (c) 5/6
  37. 37.2/8 + 1/2 = ? (a) 3/4 (b) 5/8 (c) 7/8 (d) 3/10
  38. 38.What is 1/3 of 27? (a) 8 (b) 18 (c) 10 (d) 9
  39. 39.Which fraction is greater: 6/11 or 3/4? (a) 6/11 (b) They are equal (c) 3/4
  40. 40.What is 2/3 of 21? (a) 14 (b) 21 (c) 7 (d) 15

Answer key

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

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