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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 26 · 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: 9/11 or 4/5? (a) 4/5 (b) 9/11 (c) They are equal
  2. 2.What is 4/9 of 27? (a) 3 (b) 12 (c) 13 (d) 15
  3. 3.1/3 + 4/6 = ? (a) 1 (b) 7/6 (c) 5/9 (d) 5/6
  4. 4.Which fraction is greater: 8/11 or 5/7? (a) 5/7 (b) They are equal (c) 8/11
  5. 5.2/6 + 2/8 = ? (a) 2/7 (b) 13/24 (c) 5/8 (d) 7/12
  6. 6.Which fraction is greater: 5/7 or 6/11? (a) 5/7 (b) They are equal (c) 6/11
  7. 7.Which fraction is greater: 8/11 or 1/8? (a) They are equal (b) 1/8 (c) 8/11
  8. 8.1/8 + 1/2 = ? (a) 1/2 (b) 3/4 (c) 5/8 (d) 1/5
  9. 9.What is 5/6 of 12? (a) 12 (b) 11 (c) 10 (d) 2
  10. 10.1/2 + 5/8 = ? (a) 3/5 (b) 5/4 (c) 9/8 (d) 1
  11. 11.Which fraction is greater: 4/5 or 1/3? (a) 1/3 (b) 4/5 (c) They are equal
  12. 12.What is 3/5 of 25? (a) 10 (b) 15 (c) 20 (d) 5
  13. 13.What is 2/3 of 30? (a) 30 (b) 10 (c) 21 (d) 20
  14. 14.1/2 + 8/9 = ? (a) 4/3 (b) 13/9 (c) 9/11 (d) 25/18
  15. 15.What is 3/4 of 40? (a) 10 (b) 31 (c) 40 (d) 30
  16. 16.What is 1/2 of 12? (a) 12 (b) 5 (c) 7 (d) 6
  17. 17.What is 4/5 of 50? (a) 40 (b) 41 (c) 10 (d) 50
  18. 18.What is 3/7 of 28? (a) 4 (b) 13 (c) 16 (d) 12
  19. 19.What is 1/8 of 80? (a) 20 (b) 10 (c) 11 (d) 70
  20. 20.What is 1/3 of 24? (a) 8 (b) 16 (c) 7 (d) 9
  21. 21.Which fraction is greater: 2/3 or 5/9? (a) 2/3 (b) 5/9 (c) They are equal
  22. 22.What is 5/6 of 48? (a) 41 (b) 48 (c) 8 (d) 40
  23. 23.1/3 + 2/4 = ? (a) 5/6 (b) 3/7 (c) 3/4 (d) 11/12
  24. 24.Which fraction is greater: 11/12 or 1/4? (a) 11/12 (b) They are equal (c) 1/4
  25. 25.1/6 + 6/9 = ? (a) 8/9 (b) 5/6 (c) 7/9 (d) 7/15
  26. 26.Which fraction is greater: 3/4 or 7/8? (a) They are equal (b) 3/4 (c) 7/8
  27. 27.2/8 + 1/2 = ? (a) 5/8 (b) 3/10 (c) 7/8 (d) 3/4
  28. 28.What is 1/3 of 6? (a) 2 (b) 3 (c) 4 (d) 1
  29. 29.Which fraction is greater: 8/9 or 1/4? (a) 8/9 (b) 1/4 (c) They are equal
  30. 30.1/5 + 1/2 = ? (a) 2/7 (b) 3/5 (c) 7/10 (d) 4/5
  31. 31.What is 1/9 of 36? (a) 8 (b) 4 (c) 32 (d) 5
  32. 32.2/9 + 5/9 = ? (a) 2/3 (b) 8/9 (c) 7/18 (d) 7/9
  33. 33.1/8 + 1/3 = ? (a) 11/24 (b) 1/2 (c) 5/12 (d) 2/11
  34. 34.What is 1/2 of 18? (a) 9 (b) 8 (c) 18 (d) 10
  35. 35.5/9 + 1/2 = ? (a) 19/18 (b) 6/11 (c) 10/9 (d) 1
  36. 36.What is 1/9 of 72? (a) 8 (b) 64 (c) 9 (d) 16
  37. 37.What is 4/5 of 25? (a) 25 (b) 5 (c) 21 (d) 20
  38. 38.Which fraction is greater: 4/7 or 1/3? (a) 4/7 (b) They are equal (c) 1/3
  39. 39.Which fraction is greater: 1/4 or 7/11? (a) 7/11 (b) 1/4 (c) They are equal
  40. 40.What is 3/4 of 16? (a) 13 (b) 4 (c) 16 (d) 12

Answer key

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

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