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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 501 · 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: 2/3 or 1/4? (a) 2/3 (b) They are equal (c) 1/4
  2. 2.What is 2/5 of 30? (a) 13 (b) 6 (c) 12 (d) 18
  3. 3.1/4 + 8/9 = ? (a) 41/36 (b) 7/6 (c) 9/13 (d) 10/9
  4. 4.Which fraction is greater: 2/9 or 11/12? (a) 2/9 (b) 11/12 (c) They are equal
  5. 5.1/3 + 3/4 = ? (a) 7/6 (b) 13/12 (c) 1 (d) 4/7
  6. 6.Which fraction is greater: 7/12 or 2/5? (a) They are equal (b) 2/5 (c) 7/12
  7. 7.What is 3/4 of 36? (a) 36 (b) 9 (c) 28 (d) 27
  8. 8.What is 1/2 of 24? (a) 11 (b) 12 (c) 13 (d) 24
  9. 9.What is 3/8 of 80? (a) 50 (b) 10 (c) 30 (d) 40
  10. 10.Which fraction is greater: 6/7 or 1/4? (a) 1/4 (b) 6/7 (c) They are equal
  11. 11.2/5 + 2/5 = ? (a) 3/5 (b) 2/5 (c) 1 (d) 4/5
  12. 12.What is 2/9 of 63? (a) 49 (b) 7 (c) 14 (d) 21
  13. 13.What is 1/2 of 10? (a) 10 (b) 4 (c) 5 (d) 6
  14. 14.What is 1/5 of 60? (a) 13 (b) 12 (c) 48 (d) 24
  15. 15.Which fraction is greater: 6/7 or 3/8? (a) They are equal (b) 6/7 (c) 3/8
  16. 16.1/2 + 4/7 = ? (a) 15/14 (b) 1 (c) 5/9 (d) 8/7
  17. 17.2/3 + 1/4 = ? (a) 1 (b) 5/6 (c) 11/12 (d) 3/7
  18. 18.1/3 + 6/8 = ? (a) 25/24 (b) 7/11 (c) 9/8 (d) 13/12
  19. 19.What is 1/2 of 6? (a) 6 (b) 4 (c) 2 (d) 3
  20. 20.What is 1/7 of 70? (a) 20 (b) 10 (c) 11 (d) 60
  21. 21.7/8 + 1/8 = ? (a) 9/8 (b) 7/8 (c) 1 (d) 1/2
  22. 22.What is 1/4 of 48? (a) 13 (b) 36 (c) 12 (d) 24
  23. 23.Which fraction is greater: 5/6 or 7/9? (a) They are equal (b) 5/6 (c) 7/9
  24. 24.Which fraction is greater: 5/6 or 4/11? (a) 4/11 (b) They are equal (c) 5/6
  25. 25.5/8 + 1/3 = ? (a) 23/24 (b) 6/11 (c) 11/12 (d) 1
  26. 26.1/4 + 3/6 = ? (a) 3/4 (b) 2/5 (c) 5/6 (d) 2/3
  27. 27.What is 2/3 of 6? (a) 6 (b) 5 (c) 2 (d) 4
  28. 28.1/5 + 1/2 = ? (a) 7/10 (b) 2/7 (c) 3/5 (d) 4/5
  29. 29.Which fraction is greater: 7/8 or 4/9? (a) 4/9 (b) 7/8 (c) They are equal
  30. 30.What is 2/7 of 14? (a) 2 (b) 4 (c) 10 (d) 6
  31. 31.1/2 + 1/8 = ? (a) 3/4 (b) 1/5 (c) 1/2 (d) 5/8
  32. 32.Which fraction is greater: 1/6 or 1/5? (a) 1/6 (b) 1/5 (c) They are equal
  33. 33.1/4 + 1/2 = ? (a) 1/3 (b) 1 (c) 1/2 (d) 3/4
  34. 34.What is 3/4 of 20? (a) 20 (b) 5 (c) 16 (d) 15
  35. 35.Which fraction is greater: 1/12 or 1/3? (a) They are equal (b) 1/3 (c) 1/12
  36. 36.3/8 + 4/6 = ? (a) 1/2 (b) 13/12 (c) 25/24 (d) 1
  37. 37.Which fraction is greater: 1/4 or 1/8? (a) 1/4 (b) 1/8 (c) They are equal
  38. 38.Which fraction is greater: 1/5 or 9/11? (a) They are equal (b) 9/11 (c) 1/5
  39. 39.What is 4/5 of 35? (a) 7 (b) 35 (c) 28 (d) 29
  40. 40.Which fraction is greater: 2/5 or 7/8? (a) 2/5 (b) 7/8 (c) They are equal

Answer key

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

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