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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 128 · 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. 1.5/7 + 2/3 = ? (a) 4/3 (b) 29/21 (c) 7/10 (d) 10/7
  2. 2.What is 1/2 of 10? (a) 10 (b) 4 (c) 5 (d) 6
  3. 3.What is 1/6 of 30? (a) 6 (b) 5 (c) 10 (d) 25
  4. 4.What is 1/3 of 18? (a) 6 (b) 5 (c) 12 (d) 7
  5. 5.What is 1/2 of 8? (a) 5 (b) 3 (c) 4 (d) 8
  6. 6.Which fraction is greater: 5/8 or 2/5? (a) 5/8 (b) They are equal (c) 2/5
  7. 7.1/4 + 2/9 = ? (a) 1/2 (b) 3/13 (c) 17/36 (d) 4/9
  8. 8.1/2 + 1/2 = ? (a) 2 (b) 1 (c) 3/2 (d) 1/2
  9. 9.1/4 + 1/4 = ? (a) 1/2 (b) 1/4 (c) 3/4 (d) 1
  10. 10.What is 2/3 of 15? (a) 15 (b) 5 (c) 11 (d) 10
  11. 11.4/6 + 1/2 = ? (a) 1 (b) 4/3 (c) 5/8 (d) 7/6
  12. 12.Which fraction is greater: 1/3 or 3/11? (a) 1/3 (b) They are equal (c) 3/11
  13. 13.4/6 + 1/3 = ? (a) 5/9 (b) 7/6 (c) 5/6 (d) 1
  14. 14.What is 4/5 of 15? (a) 3 (b) 12 (c) 15 (d) 13
  15. 15.1/3 + 1/2 = ? (a) 5/6 (b) 2/5 (c) 2/3 (d) 1
  16. 16.8/9 + 4/6 = ? (a) 29/18 (b) 14/9 (c) 4/5 (d) 3/2
  17. 17.5/6 + 1/6 = ? (a) 7/6 (b) 5/6 (c) 1 (d) 1/2
  18. 18.Which fraction is greater: 7/11 or 4/9? (a) 4/9 (b) They are equal (c) 7/11
  19. 19.What is 2/3 of 27? (a) 18 (b) 9 (c) 19 (d) 27
  20. 20.What is 5/7 of 35? (a) 10 (b) 30 (c) 25 (d) 5
  21. 21.3/4 + 6/8 = ? (a) 11/8 (b) 3/2 (c) 13/8 (d) 3/4
  22. 22.Which fraction is greater: 1/10 or 1/5? (a) They are equal (b) 1/5 (c) 1/10
  23. 23.What is 3/4 of 16? (a) 16 (b) 13 (c) 4 (d) 12
  24. 24.1/2 + 6/9 = ? (a) 7/11 (b) 7/6 (c) 10/9 (d) 11/9
  25. 25.Which fraction is greater: 1/4 or 2/3? (a) They are equal (b) 2/3 (c) 1/4
  26. 26.2/9 + 3/6 = ? (a) 2/3 (b) 1/3 (c) 7/9 (d) 13/18
  27. 27.What is 5/7 of 70? (a) 50 (b) 20 (c) 60 (d) 10
  28. 28.Which fraction is greater: 2/7 or 7/12? (a) 7/12 (b) 2/7 (c) They are equal
  29. 29.Which fraction is greater: 4/5 or 2/3? (a) 4/5 (b) They are equal (c) 2/3
  30. 30.Which fraction is greater: 1/8 or 3/4? (a) 1/8 (b) They are equal (c) 3/4
  31. 31.What is 4/5 of 35? (a) 7 (b) 35 (c) 28 (d) 29
  32. 32.4/9 + 3/6 = ? (a) 8/9 (b) 1 (c) 17/18 (d) 7/15
  33. 33.What is 2/7 of 84? (a) 24 (b) 36 (c) 60 (d) 12
  34. 34.What is 4/5 of 20? (a) 16 (b) 4 (c) 17 (d) 20
  35. 35.What is 3/8 of 40? (a) 25 (b) 5 (c) 20 (d) 15
  36. 36.Which fraction is greater: 1/10 or 4/7? (a) 1/10 (b) 4/7 (c) They are equal
  37. 37.What is 4/7 of 42? (a) 18 (b) 30 (c) 6 (d) 24
  38. 38.2/9 + 1/3 = ? (a) 4/9 (b) 5/9 (c) 1/4 (d) 2/3
  39. 39.Which fraction is greater: 3/11 or 4/5? (a) They are equal (b) 3/11 (c) 4/5
  40. 40.Which fraction is greater: 5/9 or 6/7? (a) 5/9 (b) They are equal (c) 6/7

Answer key

  1. 29/21
  2. 5
  3. 5
  4. 6
  5. 4
  6. 5/8
  7. 17/36
  8. 1
  9. 1/2
  10. 10
  11. 7/6
  12. 1/3
  13. 1
  14. 12
  15. 5/6
  16. 14/9
  17. 1
  18. 7/11
  19. 18
  20. 25
  21. 3/2
  22. 1/5
  23. 12
  24. 7/6
  25. 2/3
  26. 13/18
  27. 50
  28. 7/12
  29. 4/5
  30. 3/4
  31. 28
  32. 17/18
  33. 24
  34. 16
  35. 15
  36. 4/7
  37. 24
  38. 5/9
  39. 4/5
  40. 6/7

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