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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 16 · 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: 5/11 or 3/7? (a) 5/11 (b) They are equal (c) 3/7
  2. 2.Which fraction is greater: 3/4 or 5/9? (a) They are equal (b) 3/4 (c) 5/9
  3. 3.3/4 + 1/2 = ? (a) 2/3 (b) 3/2 (c) 1 (d) 5/4
  4. 4.2/6 + 1/2 = ? (a) 2/3 (b) 1 (c) 5/6 (d) 3/8
  5. 5.Which fraction is greater: 5/9 or 1/3? (a) They are equal (b) 5/9 (c) 1/3
  6. 6.1/2 + 1/7 = ? (a) 5/7 (b) 9/14 (c) 2/9 (d) 4/7
  7. 7.Which fraction is greater: 3/4 or 9/11? (a) 9/11 (b) They are equal (c) 3/4
  8. 8.2/3 + 1/4 = ? (a) 1 (b) 3/7 (c) 11/12 (d) 5/6
  9. 9.Which fraction is greater: 5/6 or 1/3? (a) They are equal (b) 1/3 (c) 5/6
  10. 10.What is 1/3 of 36? (a) 24 (b) 13 (c) 11 (d) 12
  11. 11.Which fraction is greater: 1/3 or 6/7? (a) They are equal (b) 1/3 (c) 6/7
  12. 12.Which fraction is greater: 1/6 or 1/7? (a) 1/6 (b) 1/7 (c) They are equal
  13. 13.Which fraction is greater: 1/10 or 1/3? (a) 1/10 (b) 1/3 (c) They are equal
  14. 14.What is 5/6 of 18? (a) 3 (b) 15 (c) 18 (d) 16
  15. 15.What is 1/2 of 22? (a) 22 (b) 11 (c) 10 (d) 12
  16. 16.Which fraction is greater: 3/5 or 3/8? (a) 3/8 (b) They are equal (c) 3/5
  17. 17.Which fraction is greater: 8/9 or 3/8? (a) 8/9 (b) 3/8 (c) They are equal
  18. 18.3/5 + 1/4 = ? (a) 9/10 (b) 17/20 (c) 4/9 (d) 4/5
  19. 19.Which fraction is greater: 3/11 or 2/3? (a) 3/11 (b) 2/3 (c) They are equal
  20. 20.What is 1/6 of 72? (a) 12 (b) 24 (c) 13 (d) 60
  21. 21.Which fraction is greater: 7/12 or 6/11? (a) They are equal (b) 7/12 (c) 6/11
  22. 22.Which fraction is greater: 8/11 or 1/5? (a) 1/5 (b) 8/11 (c) They are equal
  23. 23.Which fraction is greater: 1/7 or 1/5? (a) They are equal (b) 1/7 (c) 1/5
  24. 24.1/3 + 6/7 = ? (a) 8/7 (b) 26/21 (c) 7/10 (d) 25/21
  25. 25.Which fraction is greater: 2/7 or 1/11? (a) 2/7 (b) They are equal (c) 1/11
  26. 26.Which fraction is greater: 1/6 or 8/9? (a) They are equal (b) 1/6 (c) 8/9
  27. 27.What is 3/8 of 80? (a) 30 (b) 50 (c) 10 (d) 40
  28. 28.Which fraction is greater: 1/8 or 5/6? (a) 5/6 (b) They are equal (c) 1/8
  29. 29.What is 1/3 of 6? (a) 4 (b) 1 (c) 2 (d) 3
  30. 30.1/3 + 1/2 = ? (a) 2/3 (b) 1 (c) 2/5 (d) 5/6
  31. 31.Which fraction is greater: 1/5 or 7/8? (a) 7/8 (b) They are equal (c) 1/5
  32. 32.Which fraction is greater: 10/11 or 2/3? (a) They are equal (b) 10/11 (c) 2/3
  33. 33.Which fraction is greater: 2/9 or 10/11? (a) 10/11 (b) 2/9 (c) They are equal
  34. 34.Which fraction is greater: 1/4 or 1/3? (a) 1/3 (b) They are equal (c) 1/4
  35. 35.What is 1/8 of 72? (a) 63 (b) 18 (c) 10 (d) 9
  36. 36.Which fraction is greater: 1/12 or 4/7? (a) They are equal (b) 4/7 (c) 1/12
  37. 37.What is 4/5 of 45? (a) 37 (b) 45 (c) 36 (d) 9
  38. 38.3/6 + 2/3 = ? (a) 5/9 (b) 4/3 (c) 7/6 (d) 1
  39. 39.2/3 + 2/3 = ? (a) 2/3 (b) 1 (c) 5/3 (d) 4/3
  40. 40.1/2 + 5/8 = ? (a) 9/8 (b) 1 (c) 5/4 (d) 3/5

Answer key

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

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