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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 640 · 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. 1.1/4 + 1/5 = ? (a) 2/9 (b) 1/2 (c) 9/20 (d) 2/5
  2. 2.7/9 + 1/4 = ? (a) 19/18 (b) 8/13 (c) 1 (d) 37/36
  3. 3.What is 1/2 of 24? (a) 24 (b) 11 (c) 12 (d) 13
  4. 4.What is 1/4 of 24? (a) 18 (b) 12 (c) 7 (d) 6
  5. 5.What is 4/5 of 25? (a) 20 (b) 25 (c) 21 (d) 5
  6. 6.1/3 + 3/6 = ? (a) 5/6 (b) 4/9 (c) 2/3 (d) 1
  7. 7.Which fraction is greater: 2/5 or 8/11? (a) They are equal (b) 8/11 (c) 2/5
  8. 8.Which fraction is greater: 1/6 or 4/9? (a) 1/6 (b) They are equal (c) 4/9
  9. 9.Which fraction is greater: 3/5 or 3/4? (a) They are equal (b) 3/5 (c) 3/4
  10. 10.What is 1/2 of 12? (a) 5 (b) 6 (c) 7 (d) 12
  11. 11.Which fraction is greater: 2/5 or 1/9? (a) 2/5 (b) 1/9 (c) They are equal
  12. 12.Which fraction is greater: 1/6 or 1/3? (a) 1/3 (b) They are equal (c) 1/6
  13. 13.What is 3/4 of 8? (a) 6 (b) 7 (c) 8 (d) 2
  14. 14.What is 1/4 of 16? (a) 12 (b) 4 (c) 5 (d) 8
  15. 15.Which fraction is greater: 3/8 or 1/7? (a) 1/7 (b) 3/8 (c) They are equal
  16. 16.What is 5/8 of 32? (a) 4 (b) 24 (c) 20 (d) 12
  17. 17.Which fraction is greater: 8/11 or 3/5? (a) 3/5 (b) They are equal (c) 8/11
  18. 18.What is 1/2 of 4? (a) 1 (b) 4 (c) 2 (d) 3
  19. 19.What is 5/9 of 36? (a) 24 (b) 16 (c) 20 (d) 4
  20. 20.Which fraction is greater: 4/9 or 2/5? (a) They are equal (b) 4/9 (c) 2/5
  21. 21.Which fraction is greater: 3/10 or 4/7? (a) They are equal (b) 3/10 (c) 4/7
  22. 22.What is 5/9 of 18? (a) 10 (b) 12 (c) 8 (d) 2
  23. 23.Which fraction is greater: 5/9 or 1/4? (a) They are equal (b) 1/4 (c) 5/9
  24. 24.Which fraction is greater: 1/6 or 1/4? (a) 1/6 (b) 1/4 (c) They are equal
  25. 25.3/4 + 4/5 = ? (a) 3/2 (b) 7/9 (c) 8/5 (d) 31/20
  26. 26.Which fraction is greater: 3/4 or 2/9? (a) 3/4 (b) They are equal (c) 2/9
  27. 27.Which fraction is greater: 5/6 or 1/4? (a) They are equal (b) 5/6 (c) 1/4
  28. 28.1/4 + 8/9 = ? (a) 9/13 (b) 7/6 (c) 10/9 (d) 41/36
  29. 29.Which fraction is greater: 5/8 or 2/9? (a) They are equal (b) 2/9 (c) 5/8
  30. 30.What is 1/5 of 10? (a) 8 (b) 3 (c) 4 (d) 2
  31. 31.Which fraction is greater: 2/11 or 4/5? (a) They are equal (b) 2/11 (c) 4/5
  32. 32.What is 1/9 of 54? (a) 6 (b) 48 (c) 12 (d) 7
  33. 33.Which fraction is greater: 5/6 or 7/9? (a) 5/6 (b) They are equal (c) 7/9
  34. 34.Which fraction is greater: 7/11 or 1/6? (a) 7/11 (b) They are equal (c) 1/6
  35. 35.What is 5/8 of 88? (a) 55 (b) 11 (c) 33 (d) 66
  36. 36.Which fraction is greater: 5/8 or 6/7? (a) They are equal (b) 6/7 (c) 5/8
  37. 37.Which fraction is greater: 3/10 or 9/11? (a) They are equal (b) 9/11 (c) 3/10
  38. 38.Which fraction is greater: 2/3 or 10/11? (a) 2/3 (b) 10/11 (c) They are equal
  39. 39.Which fraction is greater: 1/3 or 6/11? (a) 1/3 (b) 6/11 (c) They are equal
  40. 40.What is 1/3 of 24? (a) 16 (b) 8 (c) 7 (d) 9

Answer key

  1. 9/20
  2. 37/36
  3. 12
  4. 6
  5. 20
  6. 5/6
  7. 8/11
  8. 4/9
  9. 3/4
  10. 6
  11. 2/5
  12. 1/3
  13. 6
  14. 4
  15. 3/8
  16. 20
  17. 8/11
  18. 2
  19. 20
  20. 4/9
  21. 4/7
  22. 10
  23. 5/9
  24. 1/4
  25. 31/20
  26. 3/4
  27. 5/6
  28. 41/36
  29. 5/8
  30. 2
  31. 4/5
  32. 6
  33. 5/6
  34. 7/11
  35. 55
  36. 6/7
  37. 9/11
  38. 10/11
  39. 6/11
  40. 8

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