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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 556 · 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: 1/4 or 2/7? (a) They are equal (b) 2/7 (c) 1/4
  2. 2.What is 1/2 of 20? (a) 9 (b) 20 (c) 11 (d) 10
  3. 3.Which fraction is greater: 1/3 or 3/7? (a) They are equal (b) 1/3 (c) 3/7
  4. 4.2/6 + 1/4 = ? (a) 7/12 (b) 1/2 (c) 2/3 (d) 3/10
  5. 5.What is 1/3 of 12? (a) 8 (b) 5 (c) 3 (d) 4
  6. 6.2/4 + 1/6 = ? (a) 3/10 (b) 2/3 (c) 7/12 (d) 3/4
  7. 7.Which fraction is greater: 1/12 or 1/4? (a) They are equal (b) 1/12 (c) 1/4
  8. 8.Which fraction is greater: 2/7 or 3/4? (a) They are equal (b) 3/4 (c) 2/7
  9. 9.What is 1/7 of 63? (a) 54 (b) 10 (c) 9 (d) 18
  10. 10.Which fraction is greater: 1/6 or 7/10? (a) 1/6 (b) They are equal (c) 7/10
  11. 11.2/3 + 2/3 = ? (a) 1 (b) 5/3 (c) 2/3 (d) 4/3
  12. 12.What is 7/8 of 16? (a) 2 (b) 16 (c) 15 (d) 14
  13. 13.2/6 + 2/3 = ? (a) 7/6 (b) 1 (c) 4/9 (d) 5/6
  14. 14.1/3 + 4/5 = ? (a) 6/5 (b) 16/15 (c) 5/8 (d) 17/15
  15. 15.3/4 + 2/8 = ? (a) 9/8 (b) 5/12 (c) 1 (d) 7/8
  16. 16.What is 5/9 of 18? (a) 8 (b) 2 (c) 12 (d) 10
  17. 17.1/3 + 2/3 = ? (a) 1 (b) 4/3 (c) 1/2 (d) 2/3
  18. 18.1/2 + 1/2 = ? (a) 1/2 (b) 3/2 (c) 2 (d) 1
  19. 19.1/2 + 6/8 = ? (a) 9/8 (b) 7/10 (c) 5/4 (d) 11/8
  20. 20.Which fraction is greater: 1/9 or 5/8? (a) 5/8 (b) They are equal (c) 1/9
  21. 21.What is 2/3 of 9? (a) 9 (b) 7 (c) 3 (d) 6
  22. 22.Which fraction is greater: 1/10 or 3/4? (a) They are equal (b) 1/10 (c) 3/4
  23. 23.Which fraction is greater: 7/9 or 1/6? (a) 7/9 (b) They are equal (c) 1/6
  24. 24.Which fraction is greater: 2/9 or 1/5? (a) 1/5 (b) They are equal (c) 2/9
  25. 25.What is 5/6 of 42? (a) 35 (b) 36 (c) 7 (d) 42
  26. 26.2/3 + 2/5 = ? (a) 1 (b) 1/2 (c) 16/15 (d) 17/15
  27. 27.Which fraction is greater: 8/11 or 7/8? (a) 8/11 (b) They are equal (c) 7/8
  28. 28.What is 2/5 of 15? (a) 9 (b) 6 (c) 7 (d) 3
  29. 29.1/2 + 1/3 = ? (a) 2/3 (b) 2/5 (c) 5/6 (d) 1
  30. 30.1/3 + 1/2 = ? (a) 1 (b) 2/5 (c) 2/3 (d) 5/6
  31. 31.What is 1/2 of 8? (a) 5 (b) 3 (c) 4 (d) 8
  32. 32.Which fraction is greater: 1/3 or 2/11? (a) They are equal (b) 2/11 (c) 1/3
  33. 33.7/9 + 1/2 = ? (a) 4/3 (b) 11/9 (c) 23/18 (d) 8/11
  34. 34.3/4 + 4/5 = ? (a) 7/9 (b) 3/2 (c) 8/5 (d) 31/20
  35. 35.What is 1/2 of 18? (a) 8 (b) 9 (c) 10 (d) 18
  36. 36.What is 7/9 of 99? (a) 11 (b) 77 (c) 22 (d) 88
  37. 37.1/4 + 1/2 = ? (a) 1/3 (b) 1/2 (c) 1 (d) 3/4
  38. 38.What is 1/7 of 42? (a) 7 (b) 12 (c) 36 (d) 6
  39. 39.Which fraction is greater: 5/6 or 5/8? (a) 5/8 (b) 5/6 (c) They are equal
  40. 40.1/7 + 1/2 = ? (a) 2/9 (b) 5/7 (c) 4/7 (d) 9/14

Answer key

  1. 2/7
  2. 10
  3. 3/7
  4. 7/12
  5. 4
  6. 2/3
  7. 1/4
  8. 3/4
  9. 9
  10. 7/10
  11. 4/3
  12. 14
  13. 1
  14. 17/15
  15. 1
  16. 10
  17. 1
  18. 1
  19. 5/4
  20. 5/8
  21. 6
  22. 3/4
  23. 7/9
  24. 2/9
  25. 35
  26. 16/15
  27. 7/8
  28. 6
  29. 5/6
  30. 5/6
  31. 4
  32. 1/3
  33. 23/18
  34. 31/20
  35. 9
  36. 77
  37. 3/4
  38. 6
  39. 5/6
  40. 9/14

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