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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 586 · 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. 1.1/2 + 1/3 = ? (a) 5/6 (b) 1 (c) 2/3 (d) 2/5
  2. 2.Which fraction is greater: 3/8 or 2/11? (a) They are equal (b) 3/8 (c) 2/11
  3. 3.Which fraction is greater: 4/5 or 5/7? (a) 4/5 (b) They are equal (c) 5/7
  4. 4.Which fraction is greater: 1/3 or 6/7? (a) They are equal (b) 1/3 (c) 6/7
  5. 5.What is 5/7 of 70? (a) 50 (b) 10 (c) 60 (d) 20
  6. 6.Which fraction is greater: 2/3 or 3/10? (a) 3/10 (b) They are equal (c) 2/3
  7. 7.Which fraction is greater: 4/9 or 5/6? (a) 5/6 (b) 4/9 (c) They are equal
  8. 8.2/4 + 1/2 = ? (a) 5/4 (b) 1 (c) 1/2 (d) 3/4
  9. 9.1/3 + 1/3 = ? (a) 4/3 (b) 1 (c) 2/3 (d) 1/3
  10. 10.What is 2/5 of 25? (a) 15 (b) 5 (c) 11 (d) 10
  11. 11.1/2 + 2/8 = ? (a) 3/4 (b) 5/8 (c) 7/8 (d) 3/10
  12. 12.4/6 + 1/2 = ? (a) 7/6 (b) 4/3 (c) 5/8 (d) 1
  13. 13.Which fraction is greater: 1/6 or 2/3? (a) 2/3 (b) 1/6 (c) They are equal
  14. 14.What is 2/3 of 15? (a) 11 (b) 15 (c) 10 (d) 5
  15. 15.Which fraction is greater: 1/4 or 7/12? (a) They are equal (b) 7/12 (c) 1/4
  16. 16.2/3 + 5/6 = ? (a) 4/3 (b) 3/2 (c) 7/9 (d) 5/3
  17. 17.What is 1/9 of 90? (a) 11 (b) 10 (c) 20 (d) 80
  18. 18.What is 3/7 of 28? (a) 13 (b) 16 (c) 4 (d) 12
  19. 19.Which fraction is greater: 1/3 or 1/4? (a) 1/4 (b) They are equal (c) 1/3
  20. 20.What is 1/2 of 18? (a) 18 (b) 10 (c) 8 (d) 9
  21. 21.What is 1/2 of 4? (a) 1 (b) 4 (c) 3 (d) 2
  22. 22.Which fraction is greater: 3/4 or 4/9? (a) They are equal (b) 3/4 (c) 4/9
  23. 23.What is 4/7 of 56? (a) 8 (b) 40 (c) 32 (d) 24
  24. 24.Which fraction is greater: 1/4 or 9/10? (a) They are equal (b) 9/10 (c) 1/4
  25. 25.Which fraction is greater: 2/5 or 3/4? (a) 2/5 (b) They are equal (c) 3/4
  26. 26.3/8 + 1/2 = ? (a) 1 (b) 7/8 (c) 3/4 (d) 2/5
  27. 27.What is 1/2 of 12? (a) 5 (b) 6 (c) 7 (d) 12
  28. 28.What is 6/7 of 63? (a) 55 (b) 63 (c) 54 (d) 9
  29. 29.Which fraction is greater: 1/12 or 2/5? (a) 2/5 (b) 1/12 (c) They are equal
  30. 30.2/4 + 2/7 = ? (a) 11/14 (b) 3/4 (c) 4/11 (d) 23/28
  31. 31.3/8 + 1/6 = ? (a) 7/12 (b) 13/24 (c) 2/7 (d) 1/2
  32. 32.Which fraction is greater: 3/4 or 1/3? (a) They are equal (b) 1/3 (c) 3/4
  33. 33.8/9 + 2/4 = ? (a) 10/13 (b) 17/12 (c) 49/36 (d) 25/18
  34. 34.Which fraction is greater: 2/3 or 1/6? (a) 2/3 (b) 1/6 (c) They are equal
  35. 35.2/4 + 2/5 = ? (a) 4/9 (b) 19/20 (c) 9/10 (d) 17/20
  36. 36.Which fraction is greater: 5/9 or 2/5? (a) They are equal (b) 2/5 (c) 5/9
  37. 37.Which fraction is greater: 5/6 or 4/9? (a) 4/9 (b) They are equal (c) 5/6
  38. 38.What is 1/4 of 48? (a) 36 (b) 13 (c) 24 (d) 12
  39. 39.1/2 + 3/6 = ? (a) 1 (b) 7/6 (c) 1/2 (d) 5/6
  40. 40.2/3 + 4/8 = ? (a) 9/8 (b) 6/11 (c) 29/24 (d) 7/6

Answer key

  1. 5/6
  2. 3/8
  3. 4/5
  4. 6/7
  5. 50
  6. 2/3
  7. 5/6
  8. 1
  9. 2/3
  10. 10
  11. 3/4
  12. 7/6
  13. 2/3
  14. 10
  15. 7/12
  16. 3/2
  17. 10
  18. 12
  19. 1/3
  20. 9
  21. 2
  22. 3/4
  23. 32
  24. 9/10
  25. 3/4
  26. 7/8
  27. 6
  28. 54
  29. 2/5
  30. 11/14
  31. 13/24
  32. 3/4
  33. 25/18
  34. 2/3
  35. 9/10
  36. 5/9
  37. 5/6
  38. 12
  39. 1
  40. 7/6

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