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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 382 · 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: 1/4 or 8/9? (a) They are equal (b) 8/9 (c) 1/4
  2. 2.Which fraction is greater: 4/11 or 1/9? (a) They are equal (b) 4/11 (c) 1/9
  3. 3.What is 4/7 of 28? (a) 12 (b) 16 (c) 4 (d) 20
  4. 4.What is 1/2 of 14? (a) 8 (b) 14 (c) 6 (d) 7
  5. 5.What is 4/5 of 15? (a) 13 (b) 15 (c) 12 (d) 3
  6. 6.1/3 + 1/3 = ? (a) 1/3 (b) 1 (c) 2/3 (d) 4/3
  7. 7.1/2 + 2/3 = ? (a) 4/3 (b) 3/5 (c) 7/6 (d) 1
  8. 8.What is 1/2 of 22? (a) 22 (b) 11 (c) 12 (d) 10
  9. 9.Which fraction is greater: 1/6 or 1/4? (a) They are equal (b) 1/6 (c) 1/4
  10. 10.What is 1/3 of 9? (a) 2 (b) 6 (c) 3 (d) 4
  11. 11.Which fraction is greater: 7/8 or 1/5? (a) They are equal (b) 1/5 (c) 7/8
  12. 12.Which fraction is greater: 1/8 or 1/6? (a) 1/6 (b) They are equal (c) 1/8
  13. 13.What is 2/3 of 30? (a) 21 (b) 20 (c) 30 (d) 10
  14. 14.What is 1/2 of 18? (a) 10 (b) 9 (c) 8 (d) 18
  15. 15.1/7 + 1/2 = ? (a) 4/7 (b) 2/9 (c) 9/14 (d) 5/7
  16. 16.6/8 + 3/8 = ? (a) 9/16 (b) 9/8 (c) 5/4 (d) 1
  17. 17.1/2 + 4/8 = ? (a) 1/2 (b) 9/8 (c) 1 (d) 7/8
  18. 18.1/4 + 1/3 = ? (a) 2/7 (b) 1/2 (c) 2/3 (d) 7/12
  19. 19.2/4 + 3/5 = ? (a) 21/20 (b) 23/20 (c) 5/9 (d) 11/10
  20. 20.Which fraction is greater: 5/7 or 1/3? (a) 5/7 (b) 1/3 (c) They are equal
  21. 21.What is 1/4 of 32? (a) 8 (b) 9 (c) 16 (d) 24
  22. 22.1/3 + 5/9 = ? (a) 7/9 (b) 1/2 (c) 8/9 (d) 1
  23. 23.3/4 + 1/8 = ? (a) 3/4 (b) 7/8 (c) 1/3 (d) 1
  24. 24.What is 5/8 of 56? (a) 35 (b) 42 (c) 7 (d) 21
  25. 25.Which fraction is greater: 3/4 or 3/7? (a) They are equal (b) 3/7 (c) 3/4
  26. 26.What is 1/2 of 20? (a) 9 (b) 20 (c) 10 (d) 11
  27. 27.Which fraction is greater: 1/5 or 2/9? (a) 1/5 (b) They are equal (c) 2/9
  28. 28.What is 1/3 of 6? (a) 2 (b) 4 (c) 3 (d) 1
  29. 29.What is 2/3 of 18? (a) 6 (b) 12 (c) 18 (d) 13
  30. 30.2/3 + 4/6 = ? (a) 3/2 (b) 7/6 (c) 2/3 (d) 4/3
  31. 31.What is 6/7 of 70? (a) 10 (b) 61 (c) 60 (d) 70
  32. 32.Which fraction is greater: 4/7 or 2/3? (a) They are equal (b) 4/7 (c) 2/3
  33. 33.Which fraction is greater: 2/11 or 1/3? (a) They are equal (b) 2/11 (c) 1/3
  34. 34.1/3 + 1/2 = ? (a) 2/5 (b) 5/6 (c) 1 (d) 2/3
  35. 35.Which fraction is greater: 5/12 or 9/11? (a) They are equal (b) 9/11 (c) 5/12
  36. 36.Which fraction is greater: 5/9 or 7/8? (a) They are equal (b) 7/8 (c) 5/9
  37. 37.What is 1/3 of 33? (a) 22 (b) 12 (c) 11 (d) 10
  38. 38.What is 1/2 of 6? (a) 2 (b) 4 (c) 3 (d) 6
  39. 39.What is 5/9 of 45? (a) 20 (b) 25 (c) 30 (d) 5
  40. 40.Which fraction is greater: 7/11 or 5/9? (a) 7/11 (b) 5/9 (c) They are equal

Answer key

  1. 8/9
  2. 4/11
  3. 16
  4. 7
  5. 12
  6. 2/3
  7. 7/6
  8. 11
  9. 1/4
  10. 3
  11. 7/8
  12. 1/6
  13. 20
  14. 9
  15. 9/14
  16. 9/8
  17. 1
  18. 7/12
  19. 11/10
  20. 5/7
  21. 8
  22. 8/9
  23. 7/8
  24. 35
  25. 3/4
  26. 10
  27. 2/9
  28. 2
  29. 12
  30. 4/3
  31. 60
  32. 2/3
  33. 1/3
  34. 5/6
  35. 9/11
  36. 7/8
  37. 11
  38. 3
  39. 25
  40. 7/11

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