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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 561 · 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 4/9 of 63? (a) 7 (b) 35 (c) 29 (d) 28
  2. 2.Which fraction is greater: 3/11 or 7/9? (a) 3/11 (b) 7/9 (c) They are equal
  3. 3.What is 1/2 of 22? (a) 11 (b) 12 (c) 10 (d) 22
  4. 4.Which fraction is greater: 3/7 or 5/8? (a) 3/7 (b) They are equal (c) 5/8
  5. 5.What is 1/3 of 33? (a) 22 (b) 12 (c) 11 (d) 10
  6. 6.2/6 + 6/9 = ? (a) 1 (b) 17/18 (c) 8/15 (d) 19/18
  7. 7.6/7 + 3/4 = ? (a) 45/28 (b) 23/14 (c) 11/7 (d) 9/11
  8. 8.Which fraction is greater: 1/9 or 9/10? (a) 9/10 (b) They are equal (c) 1/9
  9. 9.What is 4/7 of 70? (a) 40 (b) 30 (c) 10 (d) 50
  10. 10.2/3 + 1/5 = ? (a) 13/15 (b) 3/8 (c) 4/5 (d) 14/15
  11. 11.Which fraction is greater: 1/7 or 2/5? (a) 1/7 (b) 2/5 (c) They are equal
  12. 12.What is 2/5 of 20? (a) 12 (b) 4 (c) 8 (d) 9
  13. 13.2/6 + 1/5 = ? (a) 3/11 (b) 8/15 (c) 1/2 (d) 17/30
  14. 14.Which fraction is greater: 3/5 or 7/11? (a) 7/11 (b) 3/5 (c) They are equal
  15. 15.1/3 + 3/5 = ? (a) 14/15 (b) 1/2 (c) 1 (d) 13/15
  16. 16.7/9 + 3/4 = ? (a) 3/2 (b) 14/9 (c) 55/36 (d) 10/13
  17. 17.What is 7/8 of 72? (a) 64 (b) 72 (c) 9 (d) 63
  18. 18.Which fraction is greater: 1/10 or 5/8? (a) They are equal (b) 1/10 (c) 5/8
  19. 19.2/3 + 2/3 = ? (a) 5/3 (b) 2/3 (c) 4/3 (d) 1
  20. 20.1/3 + 7/9 = ? (a) 10/9 (b) 1 (c) 11/9 (d) 2/3
  21. 21.What is 1/2 of 8? (a) 3 (b) 4 (c) 8 (d) 5
  22. 22.What is 3/4 of 16? (a) 13 (b) 16 (c) 12 (d) 4
  23. 23.Which fraction is greater: 5/12 or 3/8? (a) They are equal (b) 5/12 (c) 3/8
  24. 24.2/8 + 2/8 = ? (a) 3/8 (b) 5/8 (c) 1/2 (d) 1/4
  25. 25.Which fraction is greater: 1/3 or 1/7? (a) They are equal (b) 1/7 (c) 1/3
  26. 26.1/2 + 1/2 = ? (a) 1/2 (b) 2 (c) 1 (d) 3/2
  27. 27.What is 3/4 of 24? (a) 19 (b) 24 (c) 18 (d) 6
  28. 28.Which fraction is greater: 5/8 or 5/11? (a) They are equal (b) 5/8 (c) 5/11
  29. 29.What is 2/5 of 30? (a) 6 (b) 18 (c) 13 (d) 12
  30. 30.What is 1/3 of 12? (a) 5 (b) 3 (c) 4 (d) 8
  31. 31.Which fraction is greater: 2/3 or 3/10? (a) 3/10 (b) They are equal (c) 2/3
  32. 32.1/2 + 4/5 = ? (a) 5/7 (b) 7/5 (c) 6/5 (d) 13/10
  33. 33.3/5 + 3/4 = ? (a) 13/10 (b) 7/5 (c) 2/3 (d) 27/20
  34. 34.3/4 + 2/3 = ? (a) 3/2 (b) 4/3 (c) 17/12 (d) 5/7
  35. 35.2/9 + 1/2 = ? (a) 2/3 (b) 13/18 (c) 7/9 (d) 3/11
  36. 36.What is 8/9 of 90? (a) 80 (b) 90 (c) 81 (d) 10
  37. 37.Which fraction is greater: 2/3 or 1/5? (a) 2/3 (b) 1/5 (c) They are equal
  38. 38.2/7 + 4/7 = ? (a) 1 (b) 3/7 (c) 6/7 (d) 5/7
  39. 39.Which fraction is greater: 2/5 or 5/7? (a) 5/7 (b) They are equal (c) 2/5
  40. 40.What is 2/5 of 25? (a) 10 (b) 15 (c) 11 (d) 5

Answer key

  1. 28
  2. 7/9
  3. 11
  4. 5/8
  5. 11
  6. 1
  7. 45/28
  8. 9/10
  9. 40
  10. 13/15
  11. 2/5
  12. 8
  13. 8/15
  14. 7/11
  15. 14/15
  16. 55/36
  17. 63
  18. 5/8
  19. 4/3
  20. 10/9
  21. 4
  22. 12
  23. 5/12
  24. 1/2
  25. 1/3
  26. 1
  27. 18
  28. 5/8
  29. 12
  30. 4
  31. 2/3
  32. 13/10
  33. 27/20
  34. 17/12
  35. 13/18
  36. 80
  37. 2/3
  38. 6/7
  39. 5/7
  40. 10

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