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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 409 · 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 + 5/7 = ? (a) 2/3 (b) 17/14 (c) 9/7 (d) 8/7
  2. 2.What is 1/3 of 24? (a) 7 (b) 8 (c) 16 (d) 9
  3. 3.1/2 + 3/9 = ? (a) 4/11 (b) 7/9 (c) 5/6 (d) 8/9
  4. 4.What is 3/8 of 24? (a) 9 (b) 15 (c) 12 (d) 3
  5. 5.What is 1/5 of 45? (a) 10 (b) 9 (c) 18 (d) 36
  6. 6.2/5 + 5/7 = ? (a) 38/35 (b) 39/35 (c) 8/7 (d) 7/12
  7. 7.1/2 + 4/9 = ? (a) 17/18 (b) 1 (c) 8/9 (d) 5/11
  8. 8.Which fraction is greater: 5/8 or 1/3? (a) They are equal (b) 5/8 (c) 1/3
  9. 9.3/4 + 1/8 = ? (a) 3/4 (b) 7/8 (c) 1 (d) 1/3
  10. 10.2/9 + 2/3 = ? (a) 1 (b) 7/9 (c) 8/9 (d) 1/3
  11. 11.What is 3/5 of 25? (a) 10 (b) 15 (c) 5 (d) 20
  12. 12.Which fraction is greater: 4/11 or 6/7? (a) They are equal (b) 6/7 (c) 4/11
  13. 13.2/8 + 1/8 = ? (a) 1/4 (b) 3/8 (c) 1/2 (d) 3/16
  14. 14.4/5 + 3/4 = ? (a) 7/9 (b) 8/5 (c) 3/2 (d) 31/20
  15. 15.3/5 + 3/4 = ? (a) 7/5 (b) 13/10 (c) 27/20 (d) 2/3
  16. 16.Which fraction is greater: 2/11 or 3/8? (a) They are equal (b) 3/8 (c) 2/11
  17. 17.1/2 + 4/6 = ? (a) 5/8 (b) 7/6 (c) 1 (d) 4/3
  18. 18.Which fraction is greater: 3/10 or 1/4? (a) 3/10 (b) They are equal (c) 1/4
  19. 19.What is 2/3 of 6? (a) 2 (b) 4 (c) 6 (d) 5
  20. 20.Which fraction is greater: 3/4 or 3/7? (a) They are equal (b) 3/7 (c) 3/4
  21. 21.1/6 + 1/4 = ? (a) 5/12 (b) 1/5 (c) 1/3 (d) 1/2
  22. 22.What is 2/3 of 24? (a) 8 (b) 17 (c) 24 (d) 16
  23. 23.2/4 + 2/9 = ? (a) 3/4 (b) 25/36 (c) 13/18 (d) 4/13
  24. 24.Which fraction is greater: 2/7 or 2/5? (a) 2/7 (b) They are equal (c) 2/5
  25. 25.Which fraction is greater: 1/5 or 1/10? (a) They are equal (b) 1/5 (c) 1/10
  26. 26.3/5 + 3/5 = ? (a) 1 (b) 6/5 (c) 3/5 (d) 7/5
  27. 27.Which fraction is greater: 3/5 or 5/6? (a) They are equal (b) 5/6 (c) 3/5
  28. 28.Which fraction is greater: 7/9 or 1/6? (a) 1/6 (b) 7/9 (c) They are equal
  29. 29.What is 1/4 of 16? (a) 12 (b) 5 (c) 8 (d) 4
  30. 30.What is 3/4 of 48? (a) 12 (b) 48 (c) 36 (d) 37
  31. 31.Which fraction is greater: 2/3 or 8/9? (a) 8/9 (b) 2/3 (c) They are equal
  32. 32.What is 1/4 of 32? (a) 16 (b) 9 (c) 24 (d) 8
  33. 33.What is 1/3 of 33? (a) 12 (b) 11 (c) 10 (d) 22
  34. 34.7/9 + 2/3 = ? (a) 4/3 (b) 3/4 (c) 14/9 (d) 13/9
  35. 35.What is 3/5 of 35? (a) 7 (b) 21 (c) 28 (d) 14
  36. 36.Which fraction is greater: 3/8 or 8/9? (a) 3/8 (b) They are equal (c) 8/9
  37. 37.1/7 + 1/2 = ? (a) 9/14 (b) 5/7 (c) 4/7 (d) 2/9
  38. 38.Which fraction is greater: 7/8 or 4/9? (a) 4/9 (b) They are equal (c) 7/8
  39. 39.1/3 + 1/5 = ? (a) 1/4 (b) 3/5 (c) 7/15 (d) 8/15
  40. 40.What is 1/8 of 16? (a) 14 (b) 3 (c) 4 (d) 2

Answer key

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

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