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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 250 · 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. 1.7/8 + 2/3 = ? (a) 9/11 (b) 3/2 (c) 19/12 (d) 37/24
  2. 2.Which fraction is greater: 1/12 or 2/3? (a) 1/12 (b) 2/3 (c) They are equal
  3. 3.What is 1/7 of 63? (a) 18 (b) 54 (c) 9 (d) 10
  4. 4.5/6 + 1/5 = ? (a) 1 (b) 31/30 (c) 6/11 (d) 16/15
  5. 5.1/5 + 1/2 = ? (a) 4/5 (b) 2/7 (c) 3/5 (d) 7/10
  6. 6.Which fraction is greater: 9/11 or 1/4? (a) They are equal (b) 9/11 (c) 1/4
  7. 7.1/3 + 1/3 = ? (a) 1/3 (b) 1 (c) 2/3 (d) 4/3
  8. 8.What is 1/6 of 30? (a) 25 (b) 6 (c) 10 (d) 5
  9. 9.What is 1/4 of 16? (a) 8 (b) 5 (c) 4 (d) 12
  10. 10.What is 2/7 of 84? (a) 24 (b) 36 (c) 12 (d) 60
  11. 11.Which fraction is greater: 7/11 or 2/9? (a) 2/9 (b) They are equal (c) 7/11
  12. 12.What is 4/5 of 25? (a) 5 (b) 25 (c) 20 (d) 21
  13. 13.What is 1/5 of 15? (a) 6 (b) 4 (c) 3 (d) 12
  14. 14.Which fraction is greater: 2/7 or 8/9? (a) 8/9 (b) 2/7 (c) They are equal
  15. 15.What is 1/5 of 50? (a) 10 (b) 11 (c) 20 (d) 40
  16. 16.Which fraction is greater: 1/4 or 1/7? (a) They are equal (b) 1/4 (c) 1/7
  17. 17.What is 5/6 of 42? (a) 7 (b) 36 (c) 42 (d) 35
  18. 18.What is 1/3 of 36? (a) 12 (b) 24 (c) 11 (d) 13
  19. 19.Which fraction is greater: 3/4 or 5/7? (a) 5/7 (b) 3/4 (c) They are equal
  20. 20.What is 3/5 of 50? (a) 40 (b) 10 (c) 30 (d) 20
  21. 21.What is 1/4 of 12? (a) 6 (b) 4 (c) 3 (d) 9
  22. 22.What is 1/2 of 6? (a) 4 (b) 6 (c) 3 (d) 2
  23. 23.1/2 + 1/3 = ? (a) 2/3 (b) 1 (c) 5/6 (d) 2/5
  24. 24.2/3 + 2/8 = ? (a) 7/8 (b) 23/24 (c) 11/12 (d) 4/11
  25. 25.1/3 + 3/5 = ? (a) 1 (b) 13/15 (c) 14/15 (d) 1/2
  26. 26.6/8 + 1/3 = ? (a) 9/8 (b) 7/11 (c) 13/12 (d) 25/24
  27. 27.What is 3/8 of 32? (a) 4 (b) 20 (c) 12 (d) 16
  28. 28.What is 2/3 of 21? (a) 21 (b) 15 (c) 7 (d) 14
  29. 29.What is 4/7 of 56? (a) 32 (b) 8 (c) 40 (d) 24
  30. 30.Which fraction is greater: 5/12 or 1/3? (a) 5/12 (b) They are equal (c) 1/3
  31. 31.Which fraction is greater: 3/11 or 1/7? (a) 3/11 (b) 1/7 (c) They are equal
  32. 32.Which fraction is greater: 1/3 or 1/4? (a) They are equal (b) 1/3 (c) 1/4
  33. 33.Which fraction is greater: 4/9 or 2/3? (a) 2/3 (b) They are equal (c) 4/9
  34. 34.Which fraction is greater: 1/7 or 4/11? (a) They are equal (b) 1/7 (c) 4/11
  35. 35.7/8 + 3/4 = ? (a) 3/2 (b) 5/6 (c) 7/4 (d) 13/8
  36. 36.2/3 + 1/2 = ? (a) 1 (b) 3/5 (c) 4/3 (d) 7/6
  37. 37.What is 1/2 of 16? (a) 7 (b) 9 (c) 8 (d) 16
  38. 38.Which fraction is greater: 5/6 or 10/11? (a) 5/6 (b) They are equal (c) 10/11
  39. 39.Which fraction is greater: 1/5 or 8/9? (a) 8/9 (b) 1/5 (c) They are equal
  40. 40.What is 1/6 of 18? (a) 6 (b) 4 (c) 3 (d) 15

Answer key

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

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