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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 185 · 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: 2/9 or 1/7? (a) 1/7 (b) They are equal (c) 2/9
  2. 2.What is 5/7 of 21? (a) 15 (b) 18 (c) 6 (d) 3
  3. 3.What is 1/2 of 22? (a) 11 (b) 10 (c) 12 (d) 22
  4. 4.Which fraction is greater: 3/5 or 2/9? (a) They are equal (b) 3/5 (c) 2/9
  5. 5.Which fraction is greater: 3/8 or 1/10? (a) 1/10 (b) 3/8 (c) They are equal
  6. 6.Which fraction is greater: 1/6 or 1/12? (a) They are equal (b) 1/12 (c) 1/6
  7. 7.Which fraction is greater: 5/9 or 2/7? (a) They are equal (b) 5/9 (c) 2/7
  8. 8.1/2 + 1/2 = ? (a) 3/2 (b) 1 (c) 1/2 (d) 2
  9. 9.Which fraction is greater: 2/3 or 3/4? (a) 3/4 (b) They are equal (c) 2/3
  10. 10.Which fraction is greater: 4/11 or 4/5? (a) They are equal (b) 4/11 (c) 4/5
  11. 11.Which fraction is greater: 1/4 or 1/3? (a) 1/3 (b) 1/4 (c) They are equal
  12. 12.1/6 + 6/8 = ? (a) 7/8 (b) 1/2 (c) 23/24 (d) 11/12
  13. 13.What is 1/5 of 10? (a) 3 (b) 2 (c) 4 (d) 8
  14. 14.What is 3/4 of 20? (a) 16 (b) 20 (c) 5 (d) 15
  15. 15.Which fraction is greater: 1/6 or 3/4? (a) 1/6 (b) They are equal (c) 3/4
  16. 16.What is 1/3 of 36? (a) 24 (b) 11 (c) 13 (d) 12
  17. 17.What is 5/8 of 40? (a) 30 (b) 15 (c) 5 (d) 25
  18. 18.Which fraction is greater: 7/8 or 3/4? (a) They are equal (b) 7/8 (c) 3/4
  19. 19.Which fraction is greater: 11/12 or 7/10? (a) 11/12 (b) They are equal (c) 7/10
  20. 20.1/2 + 5/9 = ? (a) 19/18 (b) 10/9 (c) 6/11 (d) 1
  21. 21.1/2 + 7/9 = ? (a) 11/9 (b) 4/3 (c) 23/18 (d) 8/11
  22. 22.What is 2/3 of 27? (a) 27 (b) 18 (c) 19 (d) 9
  23. 23.What is 1/3 of 12? (a) 4 (b) 8 (c) 3 (d) 5
  24. 24.2/7 + 2/3 = ? (a) 20/21 (b) 2/5 (c) 19/21 (d) 1
  25. 25.What is 1/3 of 9? (a) 6 (b) 4 (c) 2 (d) 3
  26. 26.Which fraction is greater: 7/10 or 10/11? (a) They are equal (b) 10/11 (c) 7/10
  27. 27.What is 3/5 of 20? (a) 8 (b) 12 (c) 16 (d) 4
  28. 28.3/4 + 1/5 = ? (a) 9/10 (b) 1 (c) 4/9 (d) 19/20
  29. 29.3/7 + 2/3 = ? (a) 23/21 (b) 22/21 (c) 8/7 (d) 1/2
  30. 30.Which fraction is greater: 6/11 or 1/4? (a) 6/11 (b) They are equal (c) 1/4
  31. 31.Which fraction is greater: 3/8 or 1/7? (a) 3/8 (b) They are equal (c) 1/7
  32. 32.What is 1/8 of 16? (a) 14 (b) 2 (c) 4 (d) 3
  33. 33.3/4 + 5/7 = ? (a) 8/11 (b) 10/7 (c) 3/2 (d) 41/28
  34. 34.What is 1/5 of 50? (a) 40 (b) 10 (c) 20 (d) 11
  35. 35.Which fraction is greater: 2/3 or 3/7? (a) 2/3 (b) They are equal (c) 3/7
  36. 36.Which fraction is greater: 7/12 or 1/5? (a) 7/12 (b) 1/5 (c) They are equal
  37. 37.Which fraction is greater: 2/3 or 9/10? (a) They are equal (b) 9/10 (c) 2/3
  38. 38.Which fraction is greater: 10/11 or 1/3? (a) 10/11 (b) 1/3 (c) They are equal
  39. 39.7/9 + 2/9 = ? (a) 1/2 (b) 8/9 (c) 1 (d) 10/9
  40. 40.5/6 + 7/8 = ? (a) 6/7 (b) 7/4 (c) 41/24 (d) 5/3

Answer key

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

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