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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 552 · 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 1/2 of 24? (a) 12 (b) 24 (c) 11 (d) 13
  2. 2.Which fraction is greater: 1/8 or 1/7? (a) They are equal (b) 1/7 (c) 1/8
  3. 3.What is 1/2 of 6? (a) 6 (b) 2 (c) 4 (d) 3
  4. 4.Which fraction is greater: 1/6 or 4/9? (a) 1/6 (b) They are equal (c) 4/9
  5. 5.Which fraction is greater: 1/11 or 2/3? (a) 1/11 (b) They are equal (c) 2/3
  6. 6.1/7 + 1/3 = ? (a) 3/7 (b) 1/5 (c) 11/21 (d) 10/21
  7. 7.Which fraction is greater: 1/9 or 1/10? (a) 1/10 (b) 1/9 (c) They are equal
  8. 8.1/2 + 3/9 = ? (a) 7/9 (b) 8/9 (c) 5/6 (d) 4/11
  9. 9.Which fraction is greater: 5/7 or 5/6? (a) They are equal (b) 5/7 (c) 5/6
  10. 10.3/4 + 4/7 = ? (a) 19/14 (b) 9/7 (c) 37/28 (d) 7/11
  11. 11.What is 5/6 of 66? (a) 66 (b) 56 (c) 55 (d) 11
  12. 12.Which fraction is greater: 1/3 or 1/10? (a) They are equal (b) 1/3 (c) 1/10
  13. 13.1/2 + 1/5 = ? (a) 4/5 (b) 7/10 (c) 2/7 (d) 3/5
  14. 14.Which fraction is greater: 1/5 or 1/8? (a) They are equal (b) 1/5 (c) 1/8
  15. 15.1/4 + 2/5 = ? (a) 3/5 (b) 7/10 (c) 13/20 (d) 1/3
  16. 16.What is 5/7 of 77? (a) 66 (b) 11 (c) 22 (d) 55
  17. 17.What is 4/7 of 14? (a) 10 (b) 6 (c) 8 (d) 2
  18. 18.4/7 + 1/3 = ? (a) 6/7 (b) 1/2 (c) 20/21 (d) 19/21
  19. 19.Which fraction is greater: 1/6 or 1/12? (a) They are equal (b) 1/12 (c) 1/6
  20. 20.Which fraction is greater: 5/9 or 2/11? (a) They are equal (b) 2/11 (c) 5/9
  21. 21.What is 1/3 of 12? (a) 3 (b) 5 (c) 8 (d) 4
  22. 22.3/5 + 2/6 = ? (a) 29/30 (b) 5/11 (c) 9/10 (d) 14/15
  23. 23.Which fraction is greater: 2/7 or 7/9? (a) 2/7 (b) They are equal (c) 7/9
  24. 24.Which fraction is greater: 2/5 or 1/6? (a) 1/6 (b) They are equal (c) 2/5
  25. 25.7/8 + 1/2 = ? (a) 4/5 (b) 5/4 (c) 3/2 (d) 11/8
  26. 26.3/4 + 1/4 = ? (a) 3/4 (b) 5/4 (c) 1/2 (d) 1
  27. 27.1/2 + 1/2 = ? (a) 1/2 (b) 2 (c) 1 (d) 3/2
  28. 28.What is 8/9 of 27? (a) 27 (b) 25 (c) 3 (d) 24
  29. 29.What is 1/8 of 48? (a) 12 (b) 42 (c) 7 (d) 6
  30. 30.What is 6/7 of 28? (a) 28 (b) 25 (c) 24 (d) 4
  31. 31.Which fraction is greater: 2/7 or 1/4? (a) They are equal (b) 1/4 (c) 2/7
  32. 32.2/3 + 3/5 = ? (a) 19/15 (b) 6/5 (c) 4/3 (d) 5/8
  33. 33.Which fraction is greater: 1/4 or 1/10? (a) They are equal (b) 1/4 (c) 1/10
  34. 34.What is 1/6 of 54? (a) 9 (b) 45 (c) 10 (d) 18
  35. 35.Which fraction is greater: 5/7 or 3/5? (a) 5/7 (b) 3/5 (c) They are equal
  36. 36.3/4 + 2/7 = ? (a) 15/14 (b) 29/28 (c) 5/11 (d) 1
  37. 37.What is 3/8 of 72? (a) 45 (b) 9 (c) 27 (d) 36
  38. 38.What is 1/7 of 21? (a) 6 (b) 3 (c) 18 (d) 4
  39. 39.1/2 + 1/4 = ? (a) 1/3 (b) 1/2 (c) 1 (d) 3/4
  40. 40.1/4 + 2/4 = ? (a) 3/8 (b) 1/2 (c) 1 (d) 3/4

Answer key

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

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