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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 456 · 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. 1.8/9 + 4/9 = ? (a) 11/9 (b) 4/3 (c) 2/3 (d) 13/9
  2. 2.3/4 + 3/5 = ? (a) 7/5 (b) 13/10 (c) 2/3 (d) 27/20
  3. 3.2/8 + 1/6 = ? (a) 11/24 (b) 5/12 (c) 3/8 (d) 3/14
  4. 4.What is 1/5 of 40? (a) 9 (b) 8 (c) 16 (d) 32
  5. 5.What is 1/2 of 10? (a) 6 (b) 10 (c) 4 (d) 5
  6. 6.Which fraction is greater: 11/12 or 4/11? (a) They are equal (b) 11/12 (c) 4/11
  7. 7.What is 1/4 of 12? (a) 9 (b) 6 (c) 4 (d) 3
  8. 8.What is 1/5 of 30? (a) 7 (b) 12 (c) 24 (d) 6
  9. 9.What is 1/4 of 28? (a) 7 (b) 21 (c) 14 (d) 8
  10. 10.What is 5/6 of 12? (a) 11 (b) 2 (c) 10 (d) 12
  11. 11.Which fraction is greater: 7/12 or 2/3? (a) They are equal (b) 2/3 (c) 7/12
  12. 12.Which fraction is greater: 9/11 or 3/7? (a) 9/11 (b) They are equal (c) 3/7
  13. 13.Which fraction is greater: 1/4 or 1/8? (a) They are equal (b) 1/4 (c) 1/8
  14. 14.Which fraction is greater: 7/11 or 2/3? (a) They are equal (b) 2/3 (c) 7/11
  15. 15.Which fraction is greater: 1/12 or 2/5? (a) 1/12 (b) They are equal (c) 2/5
  16. 16.1/6 + 4/6 = ? (a) 5/12 (b) 1 (c) 5/6 (d) 2/3
  17. 17.Which fraction is greater: 1/10 or 2/7? (a) 1/10 (b) They are equal (c) 2/7
  18. 18.What is 1/3 of 36? (a) 11 (b) 13 (c) 12 (d) 24
  19. 19.Which fraction is greater: 1/4 or 1/3? (a) They are equal (b) 1/3 (c) 1/4
  20. 20.Which fraction is greater: 1/4 or 1/6? (a) 1/6 (b) They are equal (c) 1/4
  21. 21.Which fraction is greater: 1/9 or 7/11? (a) 7/11 (b) They are equal (c) 1/9
  22. 22.What is 1/7 of 84? (a) 12 (b) 13 (c) 72 (d) 24
  23. 23.1/2 + 1/6 = ? (a) 1/2 (b) 5/6 (c) 2/3 (d) 1/4
  24. 24.Which fraction is greater: 7/8 or 3/4? (a) They are equal (b) 3/4 (c) 7/8
  25. 25.4/8 + 1/2 = ? (a) 9/8 (b) 7/8 (c) 1/2 (d) 1
  26. 26.1/3 + 1/2 = ? (a) 2/3 (b) 1 (c) 2/5 (d) 5/6
  27. 27.What is 4/7 of 56? (a) 24 (b) 8 (c) 32 (d) 40
  28. 28.What is 2/9 of 99? (a) 77 (b) 33 (c) 22 (d) 11
  29. 29.1/2 + 1/3 = ? (a) 2/5 (b) 1 (c) 5/6 (d) 2/3
  30. 30.What is 1/8 of 72? (a) 63 (b) 9 (c) 18 (d) 10
  31. 31.Which fraction is greater: 7/8 or 1/3? (a) They are equal (b) 1/3 (c) 7/8
  32. 32.7/8 + 5/6 = ? (a) 5/3 (b) 6/7 (c) 7/4 (d) 41/24
  33. 33.Which fraction is greater: 10/11 or 5/8? (a) 5/8 (b) 10/11 (c) They are equal
  34. 34.5/6 + 5/8 = ? (a) 17/12 (b) 5/7 (c) 35/24 (d) 3/2
  35. 35.1/5 + 4/5 = ? (a) 1 (b) 4/5 (c) 6/5 (d) 1/2
  36. 36.What is 1/2 of 20? (a) 9 (b) 10 (c) 11 (d) 20
  37. 37.Which fraction is greater: 7/8 or 1/7? (a) 7/8 (b) 1/7 (c) They are equal
  38. 38.What is 1/6 of 60? (a) 10 (b) 11 (c) 50 (d) 20
  39. 39.Which fraction is greater: 1/3 or 5/7? (a) 1/3 (b) They are equal (c) 5/7
  40. 40.Which fraction is greater: 1/10 or 1/3? (a) 1/3 (b) They are equal (c) 1/10

Answer key

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

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