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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 40 · 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 2/5? (a) 2/5 (b) They are equal (c) 1/4
  2. 2.Which fraction is greater: 4/5 or 1/10? (a) 4/5 (b) They are equal (c) 1/10
  3. 3.What is 1/5 of 20? (a) 4 (b) 16 (c) 8 (d) 5
  4. 4.Which fraction is greater: 1/4 or 4/5? (a) 4/5 (b) 1/4 (c) They are equal
  5. 5.What is 4/5 of 20? (a) 17 (b) 20 (c) 4 (d) 16
  6. 6.Which fraction is greater: 4/7 or 7/11? (a) 7/11 (b) 4/7 (c) They are equal
  7. 7.Which fraction is greater: 1/3 or 2/11? (a) They are equal (b) 2/11 (c) 1/3
  8. 8.2/3 + 1/4 = ? (a) 5/6 (b) 1 (c) 11/12 (d) 3/7
  9. 9.Which fraction is greater: 2/5 or 1/6? (a) 1/6 (b) 2/5 (c) They are equal
  10. 10.Which fraction is greater: 5/6 or 6/11? (a) 6/11 (b) They are equal (c) 5/6
  11. 11.Which fraction is greater: 2/3 or 1/6? (a) 2/3 (b) They are equal (c) 1/6
  12. 12.What is 1/2 of 8? (a) 8 (b) 3 (c) 4 (d) 5
  13. 13.Which fraction is greater: 5/11 or 1/4? (a) 1/4 (b) They are equal (c) 5/11
  14. 14.8/9 + 3/4 = ? (a) 59/36 (b) 29/18 (c) 5/3 (d) 11/13
  15. 15.What is 1/2 of 16? (a) 8 (b) 16 (c) 9 (d) 7
  16. 16.What is 1/2 of 22? (a) 10 (b) 12 (c) 11 (d) 22
  17. 17.What is 1/4 of 12? (a) 6 (b) 3 (c) 9 (d) 4
  18. 18.Which fraction is greater: 1/3 or 4/9? (a) 4/9 (b) 1/3 (c) They are equal
  19. 19.1/4 + 3/6 = ? (a) 3/4 (b) 5/6 (c) 2/5 (d) 2/3
  20. 20.What is 1/3 of 6? (a) 3 (b) 4 (c) 1 (d) 2
  21. 21.What is 5/9 of 72? (a) 32 (b) 48 (c) 8 (d) 40
  22. 22.What is 4/5 of 25? (a) 5 (b) 20 (c) 21 (d) 25
  23. 23.Which fraction is greater: 5/9 or 5/8? (a) 5/8 (b) They are equal (c) 5/9
  24. 24.1/3 + 2/7 = ? (a) 4/7 (b) 13/21 (c) 2/3 (d) 3/10
  25. 25.Which fraction is greater: 1/5 or 3/4? (a) 3/4 (b) They are equal (c) 1/5
  26. 26.2/4 + 3/7 = ? (a) 13/14 (b) 5/11 (c) 27/28 (d) 25/28
  27. 27.Which fraction is greater: 1/4 or 7/9? (a) 7/9 (b) 1/4 (c) They are equal
  28. 28.What is 1/5 of 35? (a) 14 (b) 28 (c) 7 (d) 8
  29. 29.What is 1/5 of 15? (a) 12 (b) 4 (c) 6 (d) 3
  30. 30.What is 2/5 of 10? (a) 6 (b) 4 (c) 5 (d) 2
  31. 31.What is 1/6 of 72? (a) 24 (b) 12 (c) 60 (d) 13
  32. 32.Which fraction is greater: 6/11 or 9/10? (a) 9/10 (b) They are equal (c) 6/11
  33. 33.What is 6/7 of 56? (a) 48 (b) 56 (c) 49 (d) 8
  34. 34.What is 3/5 of 40? (a) 8 (b) 32 (c) 16 (d) 24
  35. 35.1/3 + 1/7 = ? (a) 3/7 (b) 11/21 (c) 1/5 (d) 10/21
  36. 36.3/7 + 3/4 = ? (a) 33/28 (b) 6/11 (c) 8/7 (d) 17/14
  37. 37.What is 1/2 of 10? (a) 4 (b) 5 (c) 6 (d) 10
  38. 38.1/2 + 1/3 = ? (a) 5/6 (b) 1 (c) 2/5 (d) 2/3
  39. 39.3/5 + 4/7 = ? (a) 6/5 (b) 7/12 (c) 41/35 (d) 8/7
  40. 40.5/7 + 1/7 = ? (a) 5/7 (b) 6/7 (c) 1 (d) 3/7

Answer key

  1. 2/5
  2. 4/5
  3. 4
  4. 4/5
  5. 16
  6. 7/11
  7. 1/3
  8. 11/12
  9. 2/5
  10. 5/6
  11. 2/3
  12. 4
  13. 5/11
  14. 59/36
  15. 8
  16. 11
  17. 3
  18. 4/9
  19. 3/4
  20. 2
  21. 40
  22. 20
  23. 5/8
  24. 13/21
  25. 3/4
  26. 13/14
  27. 7/9
  28. 7
  29. 3
  30. 4
  31. 12
  32. 9/10
  33. 48
  34. 24
  35. 10/21
  36. 33/28
  37. 5
  38. 5/6
  39. 41/35
  40. 6/7

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