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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 844 · 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: 2/5 or 2/9? (a) They are equal (b) 2/9 (c) 2/5
  2. 2.What is 1/8 of 24? (a) 21 (b) 6 (c) 3 (d) 4
  3. 3.2/8 + 1/3 = ? (a) 7/12 (b) 13/24 (c) 5/8 (d) 3/11
  4. 4.What is 1/6 of 72? (a) 60 (b) 12 (c) 24 (d) 13
  5. 5.Which fraction is greater: 7/11 or 2/9? (a) They are equal (b) 2/9 (c) 7/11
  6. 6.Which fraction is greater: 3/10 or 8/11? (a) They are equal (b) 8/11 (c) 3/10
  7. 7.What is 1/4 of 16? (a) 5 (b) 4 (c) 8 (d) 12
  8. 8.What is 8/9 of 63? (a) 56 (b) 63 (c) 7 (d) 57
  9. 9.1/3 + 1/2 = ? (a) 2/5 (b) 5/6 (c) 1 (d) 2/3
  10. 10.What is 2/5 of 50? (a) 30 (b) 21 (c) 20 (d) 10
  11. 11.What is 6/7 of 21? (a) 18 (b) 3 (c) 21 (d) 19
  12. 12.What is 3/4 of 40? (a) 30 (b) 40 (c) 31 (d) 10
  13. 13.What is 4/9 of 54? (a) 6 (b) 30 (c) 25 (d) 24
  14. 14.What is 2/3 of 15? (a) 15 (b) 5 (c) 11 (d) 10
  15. 15.Which fraction is greater: 1/3 or 1/4? (a) 1/4 (b) They are equal (c) 1/3
  16. 16.What is 1/2 of 20? (a) 9 (b) 20 (c) 10 (d) 11
  17. 17.Which fraction is greater: 1/8 or 2/5? (a) 2/5 (b) They are equal (c) 1/8
  18. 18.What is 1/9 of 72? (a) 64 (b) 9 (c) 8 (d) 16
  19. 19.2/3 + 3/4 = ? (a) 3/2 (b) 4/3 (c) 17/12 (d) 5/7
  20. 20.2/6 + 1/4 = ? (a) 7/12 (b) 2/3 (c) 1/2 (d) 3/10
  21. 21.What is 1/3 of 33? (a) 11 (b) 10 (c) 22 (d) 12
  22. 22.2/3 + 3/5 = ? (a) 6/5 (b) 5/8 (c) 19/15 (d) 4/3
  23. 23.1/9 + 1/3 = ? (a) 1/6 (b) 4/9 (c) 5/9 (d) 1/3
  24. 24.7/9 + 1/3 = ? (a) 10/9 (b) 2/3 (c) 1 (d) 11/9
  25. 25.1/2 + 7/8 = ? (a) 11/8 (b) 3/2 (c) 5/4 (d) 4/5
  26. 26.What is 1/4 of 12? (a) 9 (b) 4 (c) 6 (d) 3
  27. 27.What is 6/7 of 42? (a) 6 (b) 36 (c) 37 (d) 42
  28. 28.What is 4/7 of 70? (a) 30 (b) 10 (c) 40 (d) 50
  29. 29.What is 4/5 of 15? (a) 12 (b) 13 (c) 15 (d) 3
  30. 30.Which fraction is greater: 1/5 or 2/3? (a) They are equal (b) 1/5 (c) 2/3
  31. 31.Which fraction is greater: 2/3 or 1/4? (a) They are equal (b) 2/3 (c) 1/4
  32. 32.1/2 + 3/7 = ? (a) 4/9 (b) 6/7 (c) 1 (d) 13/14
  33. 33.What is 1/2 of 10? (a) 10 (b) 4 (c) 5 (d) 6
  34. 34.5/9 + 1/6 = ? (a) 2/3 (b) 7/9 (c) 13/18 (d) 2/5
  35. 35.What is 1/2 of 4? (a) 1 (b) 2 (c) 3 (d) 4
  36. 36.4/8 + 1/3 = ? (a) 19/24 (b) 5/11 (c) 5/6 (d) 7/8
  37. 37.1/2 + 3/8 = ? (a) 1 (b) 3/4 (c) 2/5 (d) 7/8
  38. 38.1/2 + 2/5 = ? (a) 3/7 (b) 4/5 (c) 9/10 (d) 1
  39. 39.Which fraction is greater: 4/7 or 1/11? (a) 1/11 (b) 4/7 (c) They are equal
  40. 40.1/3 + 4/5 = ? (a) 16/15 (b) 17/15 (c) 5/8 (d) 6/5

Answer key

  1. 2/5
  2. 3
  3. 7/12
  4. 12
  5. 7/11
  6. 8/11
  7. 4
  8. 56
  9. 5/6
  10. 20
  11. 18
  12. 30
  13. 24
  14. 10
  15. 1/3
  16. 10
  17. 2/5
  18. 8
  19. 17/12
  20. 7/12
  21. 11
  22. 19/15
  23. 4/9
  24. 10/9
  25. 11/8
  26. 3
  27. 36
  28. 40
  29. 12
  30. 2/3
  31. 2/3
  32. 13/14
  33. 5
  34. 13/18
  35. 2
  36. 5/6
  37. 7/8
  38. 9/10
  39. 4/7
  40. 17/15

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