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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 390 · 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: 2/3 or 3/10? (a) 2/3 (b) 3/10 (c) They are equal
  2. 2.What is 5/9 of 63? (a) 28 (b) 42 (c) 35 (d) 7
  3. 3.3/5 + 1/2 = ? (a) 1 (b) 11/10 (c) 4/7 (d) 6/5
  4. 4.4/8 + 3/6 = ? (a) 1/2 (b) 25/24 (c) 1 (d) 23/24
  5. 5.3/6 + 5/9 = ? (a) 8/15 (b) 19/18 (c) 10/9 (d) 1
  6. 6.What is 1/5 of 10? (a) 8 (b) 3 (c) 2 (d) 4
  7. 7.1/2 + 4/5 = ? (a) 5/7 (b) 13/10 (c) 7/5 (d) 6/5
  8. 8.Which fraction is greater: 1/4 or 1/11? (a) They are equal (b) 1/11 (c) 1/4
  9. 9.Which fraction is greater: 1/7 or 1/4? (a) 1/4 (b) They are equal (c) 1/7
  10. 10.Which fraction is greater: 3/4 or 4/7? (a) They are equal (b) 4/7 (c) 3/4
  11. 11.4/5 + 1/4 = ? (a) 5/9 (b) 1 (c) 11/10 (d) 21/20
  12. 12.Which fraction is greater: 1/11 or 1/3? (a) They are equal (b) 1/11 (c) 1/3
  13. 13.1/9 + 1/2 = ? (a) 2/11 (b) 11/18 (c) 5/9 (d) 2/3
  14. 14.Which fraction is greater: 1/11 or 3/10? (a) 3/10 (b) They are equal (c) 1/11
  15. 15.Which fraction is greater: 2/3 or 5/8? (a) 5/8 (b) 2/3 (c) They are equal
  16. 16.Which fraction is greater: 2/5 or 1/4? (a) 2/5 (b) 1/4 (c) They are equal
  17. 17.1/3 + 3/7 = ? (a) 17/21 (b) 2/5 (c) 5/7 (d) 16/21
  18. 18.3/7 + 1/2 = ? (a) 6/7 (b) 4/9 (c) 1 (d) 13/14
  19. 19.Which fraction is greater: 3/5 or 1/3? (a) 1/3 (b) They are equal (c) 3/5
  20. 20.1/6 + 1/2 = ? (a) 1/4 (b) 5/6 (c) 1/2 (d) 2/3
  21. 21.What is 3/7 of 63? (a) 27 (b) 9 (c) 28 (d) 36
  22. 22.1/2 + 3/6 = ? (a) 7/6 (b) 1 (c) 1/2 (d) 5/6
  23. 23.Which fraction is greater: 5/8 or 2/3? (a) 2/3 (b) They are equal (c) 5/8
  24. 24.What is 1/3 of 9? (a) 4 (b) 2 (c) 3 (d) 6
  25. 25.2/3 + 2/7 = ? (a) 2/5 (b) 20/21 (c) 1 (d) 19/21
  26. 26.What is 1/2 of 14? (a) 8 (b) 6 (c) 7 (d) 14
  27. 27.What is 1/9 of 36? (a) 32 (b) 4 (c) 5 (d) 8
  28. 28.Which fraction is greater: 1/12 or 2/5? (a) 1/12 (b) 2/5 (c) They are equal
  29. 29.Which fraction is greater: 6/11 or 1/4? (a) They are equal (b) 1/4 (c) 6/11
  30. 30.3/6 + 2/3 = ? (a) 7/6 (b) 4/3 (c) 1 (d) 5/9
  31. 31.What is 3/4 of 36? (a) 9 (b) 27 (c) 36 (d) 28
  32. 32.What is 1/2 of 24? (a) 13 (b) 12 (c) 11 (d) 24
  33. 33.What is 1/4 of 24? (a) 7 (b) 12 (c) 18 (d) 6
  34. 34.What is 1/3 of 15? (a) 10 (b) 5 (c) 6 (d) 4
  35. 35.What is 1/3 of 21? (a) 7 (b) 8 (c) 14 (d) 6
  36. 36.What is 3/8 of 56? (a) 7 (b) 35 (c) 21 (d) 28
  37. 37.Which fraction is greater: 6/7 or 3/8? (a) 6/7 (b) They are equal (c) 3/8
  38. 38.1/2 + 1/2 = ? (a) 1/2 (b) 3/2 (c) 1 (d) 2
  39. 39.3/9 + 1/2 = ? (a) 5/6 (b) 7/9 (c) 4/11 (d) 8/9
  40. 40.Which fraction is greater: 7/10 or 1/5? (a) They are equal (b) 7/10 (c) 1/5

Answer key

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

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