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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 709 · 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. 1.3/7 + 1/2 = ? (a) 6/7 (b) 4/9 (c) 1 (d) 13/14
  2. 2.What is 1/2 of 10? (a) 5 (b) 6 (c) 4 (d) 10
  3. 3.1/6 + 2/4 = ? (a) 3/10 (b) 7/12 (c) 2/3 (d) 3/4
  4. 4.Which fraction is greater: 2/7 or 1/3? (a) They are equal (b) 1/3 (c) 2/7
  5. 5.Which fraction is greater: 4/5 or 3/10? (a) 3/10 (b) They are equal (c) 4/5
  6. 6.1/7 + 2/7 = ? (a) 3/14 (b) 4/7 (c) 2/7 (d) 3/7
  7. 7.1/4 + 5/9 = ? (a) 6/13 (b) 7/9 (c) 29/36 (d) 5/6
  8. 8.Which fraction is greater: 2/9 or 3/11? (a) 2/9 (b) They are equal (c) 3/11
  9. 9.What is 1/9 of 99? (a) 22 (b) 12 (c) 11 (d) 88
  10. 10.Which fraction is greater: 5/7 or 8/9? (a) 8/9 (b) They are equal (c) 5/7
  11. 11.What is 1/3 of 15? (a) 10 (b) 6 (c) 4 (d) 5
  12. 12.Which fraction is greater: 11/12 or 7/11? (a) 7/11 (b) 11/12 (c) They are equal
  13. 13.Which fraction is greater: 4/5 or 1/4? (a) 1/4 (b) 4/5 (c) They are equal
  14. 14.2/4 + 2/9 = ? (a) 4/13 (b) 25/36 (c) 13/18 (d) 3/4
  15. 15.1/2 + 1/5 = ? (a) 2/7 (b) 7/10 (c) 4/5 (d) 3/5
  16. 16.Which fraction is greater: 4/7 or 2/3? (a) 2/3 (b) They are equal (c) 4/7
  17. 17.8/9 + 2/9 = ? (a) 5/9 (b) 1 (c) 10/9 (d) 11/9
  18. 18.5/8 + 1/8 = ? (a) 7/8 (b) 3/8 (c) 3/4 (d) 5/8
  19. 19.1/4 + 3/4 = ? (a) 1 (b) 3/4 (c) 1/2 (d) 5/4
  20. 20.1/5 + 1/4 = ? (a) 2/9 (b) 9/20 (c) 1/2 (d) 2/5
  21. 21.What is 1/2 of 18? (a) 9 (b) 10 (c) 18 (d) 8
  22. 22.Which fraction is greater: 5/8 or 1/7? (a) 1/7 (b) They are equal (c) 5/8
  23. 23.What is 3/4 of 20? (a) 16 (b) 5 (c) 20 (d) 15
  24. 24.1/2 + 2/3 = ? (a) 7/6 (b) 4/3 (c) 1 (d) 3/5
  25. 25.1/2 + 2/9 = ? (a) 7/9 (b) 2/3 (c) 13/18 (d) 3/11
  26. 26.3/4 + 3/4 = ? (a) 7/4 (b) 3/2 (c) 3/4 (d) 5/4
  27. 27.Which fraction is greater: 3/4 or 7/11? (a) 3/4 (b) They are equal (c) 7/11
  28. 28.1/2 + 3/8 = ? (a) 1 (b) 2/5 (c) 7/8 (d) 3/4
  29. 29.Which fraction is greater: 3/5 or 5/7? (a) 3/5 (b) 5/7 (c) They are equal
  30. 30.What is 5/9 of 36? (a) 4 (b) 16 (c) 20 (d) 24
  31. 31.Which fraction is greater: 3/10 or 3/4? (a) They are equal (b) 3/4 (c) 3/10
  32. 32.1/3 + 6/9 = ? (a) 10/9 (b) 7/12 (c) 8/9 (d) 1
  33. 33.What is 1/9 of 18? (a) 2 (b) 3 (c) 4 (d) 16
  34. 34.What is 2/3 of 36? (a) 25 (b) 24 (c) 36 (d) 12
  35. 35.2/3 + 7/9 = ? (a) 13/9 (b) 3/4 (c) 14/9 (d) 4/3
  36. 36.4/5 + 2/7 = ? (a) 38/35 (b) 39/35 (c) 37/35 (d) 1/2
  37. 37.What is 2/9 of 54? (a) 6 (b) 18 (c) 12 (d) 42
  38. 38.What is 3/4 of 28? (a) 22 (b) 28 (c) 7 (d) 21
  39. 39.What is 2/3 of 18? (a) 18 (b) 12 (c) 13 (d) 6
  40. 40.4/5 + 4/5 = ? (a) 9/5 (b) 7/5 (c) 4/5 (d) 8/5

Answer key

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

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