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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 505 · 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.What is 3/7 of 77? (a) 33 (b) 44 (c) 34 (d) 11
  2. 2.Which fraction is greater: 9/11 or 5/6? (a) 5/6 (b) They are equal (c) 9/11
  3. 3.Which fraction is greater: 4/5 or 1/9? (a) 4/5 (b) 1/9 (c) They are equal
  4. 4.What is 4/7 of 35? (a) 20 (b) 5 (c) 25 (d) 15
  5. 5.3/8 + 2/4 = ? (a) 1 (b) 7/8 (c) 3/4 (d) 5/12
  6. 6.Which fraction is greater: 3/5 or 3/8? (a) They are equal (b) 3/5 (c) 3/8
  7. 7.4/6 + 1/5 = ? (a) 9/10 (b) 5/6 (c) 5/11 (d) 13/15
  8. 8.What is 2/5 of 25? (a) 15 (b) 5 (c) 10 (d) 11
  9. 9.Which fraction is greater: 4/9 or 5/12? (a) 4/9 (b) They are equal (c) 5/12
  10. 10.1/5 + 1/2 = ? (a) 4/5 (b) 3/5 (c) 2/7 (d) 7/10
  11. 11.1/2 + 1/2 = ? (a) 2 (b) 1/2 (c) 1 (d) 3/2
  12. 12.Which fraction is greater: 1/4 or 9/10? (a) They are equal (b) 9/10 (c) 1/4
  13. 13.5/7 + 6/7 = ? (a) 11/14 (b) 10/7 (c) 11/7 (d) 12/7
  14. 14.What is 4/7 of 77? (a) 55 (b) 33 (c) 11 (d) 44
  15. 15.2/8 + 2/6 = ? (a) 5/8 (b) 2/7 (c) 7/12 (d) 13/24
  16. 16.Which fraction is greater: 2/5 or 1/10? (a) 2/5 (b) They are equal (c) 1/10
  17. 17.Which fraction is greater: 1/3 or 1/10? (a) 1/10 (b) They are equal (c) 1/3
  18. 18.3/5 + 2/4 = ? (a) 11/10 (b) 23/20 (c) 21/20 (d) 5/9
  19. 19.What is 1/3 of 27? (a) 8 (b) 10 (c) 18 (d) 9
  20. 20.What is 5/7 of 21? (a) 15 (b) 18 (c) 3 (d) 6
  21. 21.Which fraction is greater: 5/7 or 1/10? (a) 5/7 (b) They are equal (c) 1/10
  22. 22.Which fraction is greater: 5/8 or 1/3? (a) 5/8 (b) 1/3 (c) They are equal
  23. 23.What is 1/4 of 8? (a) 2 (b) 4 (c) 3 (d) 6
  24. 24.What is 1/2 of 24? (a) 11 (b) 24 (c) 12 (d) 13
  25. 25.1/2 + 3/4 = ? (a) 2/3 (b) 3/2 (c) 5/4 (d) 1
  26. 26.2/3 + 1/2 = ? (a) 4/3 (b) 7/6 (c) 1 (d) 3/5
  27. 27.What is 1/3 of 18? (a) 5 (b) 7 (c) 12 (d) 6
  28. 28.Which fraction is greater: 1/6 or 3/11? (a) 1/6 (b) 3/11 (c) They are equal
  29. 29.2/6 + 1/2 = ? (a) 2/3 (b) 1 (c) 3/8 (d) 5/6
  30. 30.4/5 + 3/5 = ? (a) 8/5 (b) 7/10 (c) 6/5 (d) 7/5
  31. 31.Which fraction is greater: 3/4 or 1/3? (a) They are equal (b) 3/4 (c) 1/3
  32. 32.Which fraction is greater: 1/6 or 8/9? (a) They are equal (b) 8/9 (c) 1/6
  33. 33.What is 5/8 of 24? (a) 18 (b) 3 (c) 15 (d) 9
  34. 34.Which fraction is greater: 2/3 or 3/5? (a) They are equal (b) 2/3 (c) 3/5
  35. 35.1/3 + 1/2 = ? (a) 2/3 (b) 1 (c) 5/6 (d) 2/5
  36. 36.Which fraction is greater: 4/9 or 1/12? (a) They are equal (b) 4/9 (c) 1/12
  37. 37.What is 3/5 of 10? (a) 2 (b) 8 (c) 4 (d) 6
  38. 38.4/7 + 2/3 = ? (a) 9/7 (b) 25/21 (c) 3/5 (d) 26/21
  39. 39.Which fraction is greater: 1/3 or 1/5? (a) 1/3 (b) They are equal (c) 1/5
  40. 40.Which fraction is greater: 5/7 or 4/11? (a) 5/7 (b) They are equal (c) 4/11

Answer key

  1. 33
  2. 5/6
  3. 4/5
  4. 20
  5. 7/8
  6. 3/5
  7. 13/15
  8. 10
  9. 4/9
  10. 7/10
  11. 1
  12. 9/10
  13. 11/7
  14. 44
  15. 7/12
  16. 2/5
  17. 1/3
  18. 11/10
  19. 9
  20. 15
  21. 5/7
  22. 5/8
  23. 2
  24. 12
  25. 5/4
  26. 7/6
  27. 6
  28. 3/11
  29. 5/6
  30. 7/5
  31. 3/4
  32. 8/9
  33. 15
  34. 2/3
  35. 5/6
  36. 4/9
  37. 6
  38. 26/21
  39. 1/3
  40. 5/7

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