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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 80 · 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 1/8 of 80? (a) 20 (b) 10 (c) 70 (d) 11
  2. 2.Which fraction is greater: 1/4 or 4/5? (a) 1/4 (b) They are equal (c) 4/5
  3. 3.Which fraction is greater: 4/9 or 2/5? (a) They are equal (b) 2/5 (c) 4/9
  4. 4.Which fraction is greater: 5/7 or 1/4? (a) 5/7 (b) They are equal (c) 1/4
  5. 5.Which fraction is greater: 1/4 or 2/9? (a) They are equal (b) 2/9 (c) 1/4
  6. 6.1/4 + 2/4 = ? (a) 1 (b) 3/4 (c) 3/8 (d) 1/2
  7. 7.3/4 + 1/2 = ? (a) 2/3 (b) 1 (c) 3/2 (d) 5/4
  8. 8.What is 5/8 of 16? (a) 10 (b) 2 (c) 12 (d) 6
  9. 9.Which fraction is greater: 1/3 or 1/5? (a) 1/5 (b) They are equal (c) 1/3
  10. 10.Which fraction is greater: 9/11 or 1/12? (a) 9/11 (b) 1/12 (c) They are equal
  11. 11.2/7 + 6/7 = ? (a) 1 (b) 4/7 (c) 9/7 (d) 8/7
  12. 12.Which fraction is greater: 3/4 or 1/3? (a) 1/3 (b) They are equal (c) 3/4
  13. 13.What is 2/7 of 56? (a) 8 (b) 40 (c) 24 (d) 16
  14. 14.Which fraction is greater: 5/6 or 3/4? (a) 5/6 (b) 3/4 (c) They are equal
  15. 15.What is 2/9 of 45? (a) 35 (b) 5 (c) 10 (d) 15
  16. 16.1/2 + 6/7 = ? (a) 7/9 (b) 10/7 (c) 19/14 (d) 9/7
  17. 17.Which fraction is greater: 1/10 or 2/5? (a) They are equal (b) 1/10 (c) 2/5
  18. 18.1/6 + 2/5 = ? (a) 3/11 (b) 8/15 (c) 3/5 (d) 17/30
  19. 19.Which fraction is greater: 1/6 or 4/7? (a) 4/7 (b) 1/6 (c) They are equal
  20. 20.Which fraction is greater: 1/12 or 3/7? (a) 1/12 (b) 3/7 (c) They are equal
  21. 21.Which fraction is greater: 5/11 or 1/6? (a) 5/11 (b) They are equal (c) 1/6
  22. 22.Which fraction is greater: 3/11 or 2/5? (a) They are equal (b) 2/5 (c) 3/11
  23. 23.Which fraction is greater: 7/9 or 4/5? (a) They are equal (b) 7/9 (c) 4/5
  24. 24.What is 1/2 of 6? (a) 3 (b) 2 (c) 4 (d) 6
  25. 25.Which fraction is greater: 1/9 or 1/8? (a) 1/9 (b) 1/8 (c) They are equal
  26. 26.Which fraction is greater: 8/11 or 1/3? (a) 8/11 (b) They are equal (c) 1/3
  27. 27.2/7 + 1/4 = ? (a) 3/11 (b) 4/7 (c) 1/2 (d) 15/28
  28. 28.What is 4/7 of 21? (a) 15 (b) 12 (c) 3 (d) 9
  29. 29.Which fraction is greater: 2/11 or 1/5? (a) They are equal (b) 2/11 (c) 1/5
  30. 30.2/3 + 1/3 = ? (a) 1/2 (b) 4/3 (c) 1 (d) 2/3
  31. 31.What is 3/4 of 20? (a) 15 (b) 5 (c) 16 (d) 20
  32. 32.Which fraction is greater: 8/11 or 3/4? (a) 8/11 (b) They are equal (c) 3/4
  33. 33.Which fraction is greater: 7/8 or 7/11? (a) 7/11 (b) They are equal (c) 7/8
  34. 34.Which fraction is greater: 1/10 or 4/5? (a) 4/5 (b) They are equal (c) 1/10
  35. 35.1/3 + 1/4 = ? (a) 1/2 (b) 7/12 (c) 2/3 (d) 2/7
  36. 36.What is 7/8 of 16? (a) 15 (b) 16 (c) 14 (d) 2
  37. 37.Which fraction is greater: 1/3 or 5/6? (a) 5/6 (b) They are equal (c) 1/3
  38. 38.What is 3/5 of 35? (a) 28 (b) 7 (c) 14 (d) 21
  39. 39.Which fraction is greater: 4/11 or 1/6? (a) 1/6 (b) 4/11 (c) They are equal
  40. 40.1/2 + 3/6 = ? (a) 1/2 (b) 5/6 (c) 7/6 (d) 1

Answer key

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

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