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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 447 · 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. 1.1/6 + 1/4 = ? (a) 1/5 (b) 1/2 (c) 5/12 (d) 1/3
  2. 2.2/3 + 3/4 = ? (a) 17/12 (b) 5/7 (c) 4/3 (d) 3/2
  3. 3.Which fraction is greater: 2/3 or 1/5? (a) 1/5 (b) 2/3 (c) They are equal
  4. 4.What is 2/5 of 25? (a) 11 (b) 15 (c) 5 (d) 10
  5. 5.Which fraction is greater: 7/12 or 3/4? (a) 3/4 (b) They are equal (c) 7/12
  6. 6.Which fraction is greater: 3/10 or 5/8? (a) They are equal (b) 5/8 (c) 3/10
  7. 7.Which fraction is greater: 1/6 or 1/8? (a) 1/6 (b) 1/8 (c) They are equal
  8. 8.Which fraction is greater: 2/7 or 3/8? (a) 2/7 (b) 3/8 (c) They are equal
  9. 9.What is 1/3 of 18? (a) 5 (b) 6 (c) 12 (d) 7
  10. 10.Which fraction is greater: 10/11 or 2/5? (a) They are equal (b) 10/11 (c) 2/5
  11. 11.What is 5/9 of 18? (a) 8 (b) 2 (c) 12 (d) 10
  12. 12.What is 2/3 of 6? (a) 5 (b) 2 (c) 6 (d) 4
  13. 13.What is 2/3 of 18? (a) 6 (b) 12 (c) 13 (d) 18
  14. 14.What is 1/4 of 8? (a) 2 (b) 4 (c) 6 (d) 3
  15. 15.Which fraction is greater: 3/7 or 3/5? (a) 3/5 (b) They are equal (c) 3/7
  16. 16.1/2 + 1/2 = ? (a) 1/2 (b) 1 (c) 3/2 (d) 2
  17. 17.What is 5/7 of 14? (a) 12 (b) 10 (c) 4 (d) 2
  18. 18.Which fraction is greater: 3/5 or 5/11? (a) They are equal (b) 3/5 (c) 5/11
  19. 19.What is 3/4 of 48? (a) 36 (b) 12 (c) 48 (d) 37
  20. 20.What is 2/3 of 36? (a) 36 (b) 12 (c) 24 (d) 25
  21. 21.Which fraction is greater: 1/4 or 10/11? (a) 10/11 (b) They are equal (c) 1/4
  22. 22.Which fraction is greater: 2/9 or 3/8? (a) They are equal (b) 2/9 (c) 3/8
  23. 23.Which fraction is greater: 1/4 or 1/5? (a) They are equal (b) 1/5 (c) 1/4
  24. 24.7/8 + 3/8 = ? (a) 5/4 (b) 9/8 (c) 11/8 (d) 5/8
  25. 25.Which fraction is greater: 2/3 or 1/10? (a) They are equal (b) 1/10 (c) 2/3
  26. 26.4/6 + 3/6 = ? (a) 7/6 (b) 1 (c) 4/3 (d) 7/12
  27. 27.What is 2/9 of 27? (a) 6 (b) 9 (c) 3 (d) 21
  28. 28.What is 2/9 of 81? (a) 18 (b) 9 (c) 63 (d) 27
  29. 29.What is 2/3 of 33? (a) 11 (b) 23 (c) 22 (d) 33
  30. 30.3/5 + 1/5 = ? (a) 2/5 (b) 1 (c) 3/5 (d) 4/5
  31. 31.Which fraction is greater: 2/5 or 1/11? (a) 1/11 (b) They are equal (c) 2/5
  32. 32.2/3 + 2/5 = ? (a) 16/15 (b) 1 (c) 17/15 (d) 1/2
  33. 33.1/2 + 6/8 = ? (a) 7/10 (b) 5/4 (c) 11/8 (d) 9/8
  34. 34.Which fraction is greater: 1/4 or 6/11? (a) They are equal (b) 1/4 (c) 6/11
  35. 35.Which fraction is greater: 3/8 or 2/7? (a) They are equal (b) 3/8 (c) 2/7
  36. 36.Which fraction is greater: 1/4 or 5/11? (a) 1/4 (b) 5/11 (c) They are equal
  37. 37.Which fraction is greater: 1/5 or 8/9? (a) They are equal (b) 1/5 (c) 8/9
  38. 38.What is 3/4 of 28? (a) 22 (b) 28 (c) 21 (d) 7
  39. 39.What is 1/5 of 50? (a) 10 (b) 20 (c) 40 (d) 11
  40. 40.What is 1/4 of 20? (a) 6 (b) 10 (c) 15 (d) 5

Answer key

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

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