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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 290 · 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. 1.1/2 + 1/3 = ? (a) 1 (b) 5/6 (c) 2/3 (d) 2/5
  2. 2.Which fraction is greater: 3/4 or 1/10? (a) They are equal (b) 3/4 (c) 1/10
  3. 3.1/2 + 1/8 = ? (a) 5/8 (b) 1/2 (c) 3/4 (d) 1/5
  4. 4.2/3 + 1/2 = ? (a) 4/3 (b) 7/6 (c) 1 (d) 3/5
  5. 5.Which fraction is greater: 3/4 or 7/11? (a) 7/11 (b) They are equal (c) 3/4
  6. 6.Which fraction is greater: 4/9 or 5/8? (a) 4/9 (b) 5/8 (c) They are equal
  7. 7.Which fraction is greater: 1/3 or 1/5? (a) 1/5 (b) They are equal (c) 1/3
  8. 8.Which fraction is greater: 11/12 or 4/11? (a) They are equal (b) 4/11 (c) 11/12
  9. 9.Which fraction is greater: 5/8 or 10/11? (a) 5/8 (b) 10/11 (c) They are equal
  10. 10.Which fraction is greater: 9/10 or 3/5? (a) 3/5 (b) 9/10 (c) They are equal
  11. 11.Which fraction is greater: 1/5 or 2/3? (a) They are equal (b) 2/3 (c) 1/5
  12. 12.Which fraction is greater: 6/7 or 1/9? (a) 6/7 (b) 1/9 (c) They are equal
  13. 13.Which fraction is greater: 2/5 or 8/9? (a) 8/9 (b) 2/5 (c) They are equal
  14. 14.5/6 + 3/5 = ? (a) 22/15 (b) 8/11 (c) 7/5 (d) 43/30
  15. 15.What is 5/9 of 81? (a) 36 (b) 54 (c) 9 (d) 45
  16. 16.1/4 + 1/2 = ? (a) 1/2 (b) 3/4 (c) 1 (d) 1/3
  17. 17.What is 7/8 of 96? (a) 96 (b) 84 (c) 12 (d) 85
  18. 18.What is 5/6 of 30? (a) 25 (b) 26 (c) 30 (d) 5
  19. 19.What is 1/5 of 45? (a) 36 (b) 10 (c) 18 (d) 9
  20. 20.1/2 + 1/2 = ? (a) 2 (b) 1/2 (c) 3/2 (d) 1
  21. 21.What is 1/4 of 44? (a) 22 (b) 11 (c) 12 (d) 33
  22. 22.What is 4/5 of 25? (a) 5 (b) 25 (c) 20 (d) 21
  23. 23.What is 4/5 of 40? (a) 32 (b) 40 (c) 33 (d) 8
  24. 24.Which fraction is greater: 1/6 or 5/7? (a) 1/6 (b) They are equal (c) 5/7
  25. 25.Which fraction is greater: 1/4 or 11/12? (a) 1/4 (b) 11/12 (c) They are equal
  26. 26.Which fraction is greater: 2/3 or 10/11? (a) 2/3 (b) 10/11 (c) They are equal
  27. 27.3/4 + 4/6 = ? (a) 3/2 (b) 7/10 (c) 4/3 (d) 17/12
  28. 28.What is 1/5 of 10? (a) 8 (b) 4 (c) 3 (d) 2
  29. 29.Which fraction is greater: 5/7 or 5/6? (a) 5/7 (b) 5/6 (c) They are equal
  30. 30.Which fraction is greater: 9/10 or 1/6? (a) 1/6 (b) 9/10 (c) They are equal
  31. 31.What is 2/5 of 60? (a) 12 (b) 24 (c) 36 (d) 25
  32. 32.4/9 + 1/2 = ? (a) 5/11 (b) 17/18 (c) 8/9 (d) 1
  33. 33.1/2 + 1/9 = ? (a) 2/3 (b) 11/18 (c) 5/9 (d) 2/11
  34. 34.3/4 + 1/4 = ? (a) 5/4 (b) 3/4 (c) 1/2 (d) 1
  35. 35.Which fraction is greater: 4/7 or 3/11? (a) They are equal (b) 4/7 (c) 3/11
  36. 36.What is 1/2 of 18? (a) 18 (b) 8 (c) 10 (d) 9
  37. 37.Which fraction is greater: 1/11 or 3/10? (a) They are equal (b) 3/10 (c) 1/11
  38. 38.Which fraction is greater: 2/3 or 1/8? (a) 1/8 (b) They are equal (c) 2/3
  39. 39.Which fraction is greater: 6/7 or 1/11? (a) They are equal (b) 6/7 (c) 1/11
  40. 40.What is 1/3 of 27? (a) 10 (b) 8 (c) 9 (d) 18

Answer key

  1. 5/6
  2. 3/4
  3. 5/8
  4. 7/6
  5. 3/4
  6. 5/8
  7. 1/3
  8. 11/12
  9. 10/11
  10. 9/10
  11. 2/3
  12. 6/7
  13. 8/9
  14. 43/30
  15. 45
  16. 3/4
  17. 84
  18. 25
  19. 9
  20. 1
  21. 11
  22. 20
  23. 32
  24. 5/7
  25. 11/12
  26. 10/11
  27. 17/12
  28. 2
  29. 5/6
  30. 9/10
  31. 24
  32. 17/18
  33. 11/18
  34. 1
  35. 4/7
  36. 9
  37. 3/10
  38. 2/3
  39. 6/7
  40. 9

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