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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 499 · 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: 1/10 or 1/3? (a) They are equal (b) 1/10 (c) 1/3
  2. 2.Which fraction is greater: 6/7 or 1/8? (a) They are equal (b) 1/8 (c) 6/7
  3. 3.Which fraction is greater: 1/3 or 5/7? (a) 1/3 (b) They are equal (c) 5/7
  4. 4.What is 2/3 of 33? (a) 33 (b) 11 (c) 22 (d) 23
  5. 5.What is 4/9 of 36? (a) 20 (b) 16 (c) 4 (d) 17
  6. 6.3/7 + 1/2 = ? (a) 1 (b) 6/7 (c) 4/9 (d) 13/14
  7. 7.What is 1/6 of 12? (a) 4 (b) 10 (c) 3 (d) 2
  8. 8.Which fraction is greater: 6/7 or 5/12? (a) They are equal (b) 6/7 (c) 5/12
  9. 9.What is 2/3 of 24? (a) 17 (b) 8 (c) 16 (d) 24
  10. 10.What is 1/2 of 10? (a) 10 (b) 5 (c) 6 (d) 4
  11. 11.Which fraction is greater: 4/9 or 2/3? (a) 4/9 (b) They are equal (c) 2/3
  12. 12.Which fraction is greater: 1/4 or 1/12? (a) 1/4 (b) They are equal (c) 1/12
  13. 13.Which fraction is greater: 7/9 or 1/3? (a) 1/3 (b) 7/9 (c) They are equal
  14. 14.Which fraction is greater: 3/7 or 1/9? (a) 1/9 (b) They are equal (c) 3/7
  15. 15.Which fraction is greater: 1/3 or 3/4? (a) They are equal (b) 3/4 (c) 1/3
  16. 16.Which fraction is greater: 2/9 or 5/8? (a) They are equal (b) 2/9 (c) 5/8
  17. 17.Which fraction is greater: 3/4 or 1/8? (a) They are equal (b) 1/8 (c) 3/4
  18. 18.5/8 + 1/8 = ? (a) 3/4 (b) 5/8 (c) 7/8 (d) 3/8
  19. 19.2/5 + 2/7 = ? (a) 23/35 (b) 24/35 (c) 1/3 (d) 5/7
  20. 20.What is 1/7 of 14? (a) 12 (b) 4 (c) 3 (d) 2
  21. 21.5/8 + 7/8 = ? (a) 3/4 (b) 3/2 (c) 11/8 (d) 13/8
  22. 22.Which fraction is greater: 5/7 or 2/11? (a) 2/11 (b) 5/7 (c) They are equal
  23. 23.1/4 + 1/7 = ? (a) 2/11 (b) 11/28 (c) 5/14 (d) 3/7
  24. 24.Which fraction is greater: 4/9 or 1/4? (a) 1/4 (b) 4/9 (c) They are equal
  25. 25.What is 3/4 of 48? (a) 12 (b) 36 (c) 48 (d) 37
  26. 26.What is 3/4 of 12? (a) 12 (b) 10 (c) 9 (d) 3
  27. 27.What is 1/7 of 56? (a) 16 (b) 8 (c) 48 (d) 9
  28. 28.What is 1/3 of 30? (a) 20 (b) 11 (c) 10 (d) 9
  29. 29.7/9 + 5/9 = ? (a) 4/3 (b) 2/3 (c) 13/9 (d) 11/9
  30. 30.What is 1/2 of 16? (a) 9 (b) 7 (c) 16 (d) 8
  31. 31.Which fraction is greater: 2/11 or 1/7? (a) 1/7 (b) 2/11 (c) They are equal
  32. 32.Which fraction is greater: 3/10 or 4/7? (a) They are equal (b) 4/7 (c) 3/10
  33. 33.Which fraction is greater: 4/9 or 3/10? (a) 4/9 (b) 3/10 (c) They are equal
  34. 34.What is 3/4 of 16? (a) 13 (b) 12 (c) 4 (d) 16
  35. 35.What is 1/2 of 14? (a) 6 (b) 8 (c) 7 (d) 14
  36. 36.What is 3/5 of 35? (a) 21 (b) 28 (c) 7 (d) 14
  37. 37.Which fraction is greater: 7/10 or 1/6? (a) They are equal (b) 1/6 (c) 7/10
  38. 38.2/3 + 1/4 = ? (a) 11/12 (b) 1 (c) 5/6 (d) 3/7
  39. 39.Which fraction is greater: 3/11 or 9/10? (a) They are equal (b) 3/11 (c) 9/10
  40. 40.Which fraction is greater: 2/7 or 3/5? (a) They are equal (b) 2/7 (c) 3/5

Answer key

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

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