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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 615 · 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.What is 1/9 of 18? (a) 3 (b) 4 (c) 2 (d) 16
  2. 2.2/3 + 6/7 = ? (a) 32/21 (b) 31/21 (c) 11/7 (d) 4/5
  3. 3.What is 5/6 of 18? (a) 16 (b) 15 (c) 3 (d) 18
  4. 4.Which fraction is greater: 1/5 or 1/3? (a) 1/5 (b) 1/3 (c) They are equal
  5. 5.What is 1/3 of 27? (a) 10 (b) 18 (c) 9 (d) 8
  6. 6.Which fraction is greater: 4/7 or 2/3? (a) They are equal (b) 2/3 (c) 4/7
  7. 7.Which fraction is greater: 10/11 or 3/4? (a) They are equal (b) 3/4 (c) 10/11
  8. 8.1/2 + 4/7 = ? (a) 8/7 (b) 5/9 (c) 15/14 (d) 1
  9. 9.What is 1/5 of 15? (a) 6 (b) 12 (c) 4 (d) 3
  10. 10.What is 1/2 of 10? (a) 5 (b) 10 (c) 4 (d) 6
  11. 11.Which fraction is greater: 1/8 or 2/7? (a) They are equal (b) 1/8 (c) 2/7
  12. 12.What is 3/5 of 25? (a) 15 (b) 5 (c) 20 (d) 10
  13. 13.What is 1/2 of 14? (a) 14 (b) 6 (c) 8 (d) 7
  14. 14.4/5 + 2/3 = ? (a) 3/4 (b) 7/5 (c) 22/15 (d) 23/15
  15. 15.Which fraction is greater: 1/5 or 3/4? (a) 3/4 (b) They are equal (c) 1/5
  16. 16.1/8 + 1/2 = ? (a) 1/5 (b) 1/2 (c) 5/8 (d) 3/4
  17. 17.2/3 + 2/3 = ? (a) 2/3 (b) 5/3 (c) 4/3 (d) 1
  18. 18.Which fraction is greater: 3/11 or 1/5? (a) 1/5 (b) They are equal (c) 3/11
  19. 19.2/3 + 1/3 = ? (a) 1 (b) 1/2 (c) 2/3 (d) 4/3
  20. 20.5/7 + 1/2 = ? (a) 8/7 (b) 17/14 (c) 2/3 (d) 9/7
  21. 21.Which fraction is greater: 1/4 or 2/7? (a) They are equal (b) 1/4 (c) 2/7
  22. 22.Which fraction is greater: 1/10 or 1/5? (a) 1/5 (b) They are equal (c) 1/10
  23. 23.1/9 + 6/9 = ? (a) 2/3 (b) 8/9 (c) 7/9 (d) 7/18
  24. 24.Which fraction is greater: 7/11 or 1/6? (a) They are equal (b) 7/11 (c) 1/6
  25. 25.2/5 + 1/5 = ? (a) 4/5 (b) 3/10 (c) 2/5 (d) 3/5
  26. 26.3/4 + 1/2 = ? (a) 2/3 (b) 1 (c) 5/4 (d) 3/2
  27. 27.What is 1/9 of 90? (a) 11 (b) 10 (c) 20 (d) 80
  28. 28.Which fraction is greater: 2/9 or 7/10? (a) 2/9 (b) They are equal (c) 7/10
  29. 29.Which fraction is greater: 3/4 or 7/9? (a) 7/9 (b) 3/4 (c) They are equal
  30. 30.Which fraction is greater: 6/7 or 4/9? (a) 6/7 (b) They are equal (c) 4/9
  31. 31.6/7 + 2/4 = ? (a) 8/11 (b) 39/28 (c) 37/28 (d) 19/14
  32. 32.What is 1/4 of 28? (a) 21 (b) 14 (c) 8 (d) 7
  33. 33.5/6 + 1/3 = ? (a) 7/6 (b) 1 (c) 4/3 (d) 2/3
  34. 34.1/6 + 2/6 = ? (a) 2/3 (b) 1/4 (c) 1/2 (d) 1/3
  35. 35.2/7 + 1/2 = ? (a) 1/3 (b) 5/7 (c) 6/7 (d) 11/14
  36. 36.Which fraction is greater: 1/7 or 3/8? (a) 3/8 (b) They are equal (c) 1/7
  37. 37.1/2 + 2/3 = ? (a) 3/5 (b) 4/3 (c) 1 (d) 7/6
  38. 38.Which fraction is greater: 1/3 or 1/9? (a) 1/9 (b) They are equal (c) 1/3
  39. 39.1/4 + 1/9 = ? (a) 2/13 (b) 7/18 (c) 1/3 (d) 13/36
  40. 40.What is 1/4 of 44? (a) 12 (b) 33 (c) 22 (d) 11

Answer key

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

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