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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 266 · 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 24? (a) 21 (b) 3 (c) 6 (d) 4
  2. 2.Which fraction is greater: 1/7 or 7/8? (a) They are equal (b) 1/7 (c) 7/8
  3. 3.6/7 + 4/7 = ? (a) 5/7 (b) 11/7 (c) 10/7 (d) 9/7
  4. 4.What is 3/4 of 48? (a) 48 (b) 36 (c) 12 (d) 37
  5. 5.What is 1/2 of 16? (a) 8 (b) 16 (c) 7 (d) 9
  6. 6.What is 1/5 of 30? (a) 24 (b) 6 (c) 12 (d) 7
  7. 7.What is 1/2 of 10? (a) 5 (b) 6 (c) 4 (d) 10
  8. 8.Which fraction is greater: 1/3 or 4/7? (a) 4/7 (b) 1/3 (c) They are equal
  9. 9.What is 7/8 of 24? (a) 21 (b) 24 (c) 22 (d) 3
  10. 10.Which fraction is greater: 1/9 or 5/12? (a) 5/12 (b) 1/9 (c) They are equal
  11. 11.Which fraction is greater: 5/11 or 3/10? (a) 5/11 (b) 3/10 (c) They are equal
  12. 12.What is 1/2 of 8? (a) 8 (b) 5 (c) 4 (d) 3
  13. 13.Which fraction is greater: 1/4 or 6/11? (a) 1/4 (b) 6/11 (c) They are equal
  14. 14.Which fraction is greater: 5/11 or 5/6? (a) 5/6 (b) They are equal (c) 5/11
  15. 15.3/4 + 2/6 = ? (a) 1/2 (b) 7/6 (c) 1 (d) 13/12
  16. 16.6/7 + 1/2 = ? (a) 19/14 (b) 10/7 (c) 9/7 (d) 7/9
  17. 17.Which fraction is greater: 3/5 or 2/3? (a) 2/3 (b) 3/5 (c) They are equal
  18. 18.1/2 + 2/7 = ? (a) 11/14 (b) 6/7 (c) 1/3 (d) 5/7
  19. 19.2/4 + 1/7 = ? (a) 19/28 (b) 3/11 (c) 17/28 (d) 9/14
  20. 20.Which fraction is greater: 6/11 or 11/12? (a) They are equal (b) 11/12 (c) 6/11
  21. 21.Which fraction is greater: 5/8 or 4/5? (a) 4/5 (b) They are equal (c) 5/8
  22. 22.3/4 + 2/3 = ? (a) 4/3 (b) 3/2 (c) 5/7 (d) 17/12
  23. 23.4/8 + 6/8 = ? (a) 9/8 (b) 11/8 (c) 5/8 (d) 5/4
  24. 24.2/6 + 1/3 = ? (a) 2/3 (b) 1/3 (c) 1/2 (d) 5/6
  25. 25.1/6 + 2/3 = ? (a) 1 (b) 1/3 (c) 2/3 (d) 5/6
  26. 26.3/7 + 2/5 = ? (a) 6/7 (b) 29/35 (c) 4/5 (d) 5/12
  27. 27.2/5 + 6/7 = ? (a) 43/35 (b) 9/7 (c) 44/35 (d) 2/3
  28. 28.Which fraction is greater: 5/6 or 1/7? (a) 1/7 (b) They are equal (c) 5/6
  29. 29.Which fraction is greater: 7/8 or 1/6? (a) 1/6 (b) They are equal (c) 7/8
  30. 30.1/3 + 1/5 = ? (a) 7/15 (b) 3/5 (c) 1/4 (d) 8/15
  31. 31.What is 1/3 of 21? (a) 6 (b) 7 (c) 8 (d) 14
  32. 32.4/5 + 2/7 = ? (a) 1/2 (b) 38/35 (c) 37/35 (d) 39/35
  33. 33.Which fraction is greater: 1/5 or 5/9? (a) 1/5 (b) 5/9 (c) They are equal
  34. 34.2/3 + 1/3 = ? (a) 2/3 (b) 4/3 (c) 1 (d) 1/2
  35. 35.Which fraction is greater: 4/11 or 8/9? (a) 4/11 (b) They are equal (c) 8/9
  36. 36.Which fraction is greater: 3/4 or 1/5? (a) They are equal (b) 1/5 (c) 3/4
  37. 37.What is 1/8 of 80? (a) 20 (b) 70 (c) 10 (d) 11
  38. 38.What is 1/2 of 20? (a) 10 (b) 11 (c) 9 (d) 20
  39. 39.What is 4/5 of 55? (a) 11 (b) 55 (c) 45 (d) 44
  40. 40.Which fraction is greater: 7/12 or 4/11? (a) 4/11 (b) 7/12 (c) They are equal

Answer key

  1. 3
  2. 7/8
  3. 10/7
  4. 36
  5. 8
  6. 6
  7. 5
  8. 4/7
  9. 21
  10. 5/12
  11. 5/11
  12. 4
  13. 6/11
  14. 5/6
  15. 13/12
  16. 19/14
  17. 2/3
  18. 11/14
  19. 9/14
  20. 11/12
  21. 4/5
  22. 17/12
  23. 5/4
  24. 2/3
  25. 5/6
  26. 29/35
  27. 44/35
  28. 5/6
  29. 7/8
  30. 8/15
  31. 7
  32. 38/35
  33. 5/9
  34. 1
  35. 8/9
  36. 3/4
  37. 10
  38. 10
  39. 44
  40. 7/12

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