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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 265 · 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: 11/12 or 5/8? (a) 11/12 (b) They are equal (c) 5/8
  2. 2.Which fraction is greater: 1/3 or 1/11? (a) They are equal (b) 1/3 (c) 1/11
  3. 3.4/5 + 1/3 = ? (a) 16/15 (b) 17/15 (c) 5/8 (d) 6/5
  4. 4.What is 1/3 of 33? (a) 10 (b) 12 (c) 11 (d) 22
  5. 5.Which fraction is greater: 1/6 or 7/11? (a) 1/6 (b) 7/11 (c) They are equal
  6. 6.What is 1/6 of 48? (a) 40 (b) 8 (c) 16 (d) 9
  7. 7.Which fraction is greater: 1/7 or 3/5? (a) 1/7 (b) They are equal (c) 3/5
  8. 8.What is 2/3 of 15? (a) 11 (b) 5 (c) 10 (d) 15
  9. 9.Which fraction is greater: 5/6 or 3/5? (a) 5/6 (b) They are equal (c) 3/5
  10. 10.Which fraction is greater: 7/8 or 4/5? (a) They are equal (b) 4/5 (c) 7/8
  11. 11.2/4 + 2/3 = ? (a) 5/4 (b) 7/6 (c) 13/12 (d) 4/7
  12. 12.2/8 + 1/2 = ? (a) 5/8 (b) 3/4 (c) 7/8 (d) 3/10
  13. 13.What is 2/7 of 42? (a) 6 (b) 30 (c) 18 (d) 12
  14. 14.What is 1/3 of 12? (a) 5 (b) 4 (c) 3 (d) 8
  15. 15.2/6 + 5/6 = ? (a) 4/3 (b) 7/6 (c) 1 (d) 7/12
  16. 16.What is 1/7 of 21? (a) 18 (b) 3 (c) 4 (d) 6
  17. 17.Which fraction is greater: 3/4 or 2/5? (a) 2/5 (b) They are equal (c) 3/4
  18. 18.Which fraction is greater: 1/6 or 1/5? (a) 1/5 (b) They are equal (c) 1/6
  19. 19.What is 1/2 of 8? (a) 3 (b) 5 (c) 4 (d) 8
  20. 20.Which fraction is greater: 5/9 or 2/3? (a) 2/3 (b) They are equal (c) 5/9
  21. 21.Which fraction is greater: 3/4 or 11/12? (a) They are equal (b) 3/4 (c) 11/12
  22. 22.What is 1/8 of 16? (a) 4 (b) 2 (c) 14 (d) 3
  23. 23.What is 3/8 of 24? (a) 3 (b) 9 (c) 15 (d) 12
  24. 24.1/5 + 2/3 = ? (a) 13/15 (b) 4/5 (c) 14/15 (d) 3/8
  25. 25.What is 4/7 of 35? (a) 15 (b) 5 (c) 25 (d) 20
  26. 26.What is 2/9 of 27? (a) 3 (b) 9 (c) 6 (d) 21
  27. 27.Which fraction is greater: 4/5 or 11/12? (a) 11/12 (b) They are equal (c) 4/5
  28. 28.Which fraction is greater: 2/5 or 9/11? (a) 2/5 (b) They are equal (c) 9/11
  29. 29.What is 2/3 of 33? (a) 11 (b) 23 (c) 33 (d) 22
  30. 30.Which fraction is greater: 2/11 or 3/10? (a) 2/11 (b) 3/10 (c) They are equal
  31. 31.1/2 + 1/2 = ? (a) 1 (b) 1/2 (c) 2 (d) 3/2
  32. 32.What is 1/6 of 18? (a) 3 (b) 15 (c) 6 (d) 4
  33. 33.What is 1/2 of 16? (a) 16 (b) 9 (c) 7 (d) 8
  34. 34.7/8 + 2/3 = ? (a) 9/11 (b) 19/12 (c) 37/24 (d) 3/2
  35. 35.What is 4/5 of 25? (a) 5 (b) 25 (c) 20 (d) 21
  36. 36.What is 1/2 of 22? (a) 11 (b) 12 (c) 10 (d) 22
  37. 37.3/4 + 1/4 = ? (a) 3/4 (b) 5/4 (c) 1 (d) 1/2
  38. 38.1/2 + 4/6 = ? (a) 7/6 (b) 5/8 (c) 4/3 (d) 1
  39. 39.1/7 + 1/2 = ? (a) 9/14 (b) 5/7 (c) 2/9 (d) 4/7
  40. 40.Which fraction is greater: 1/3 or 4/7? (a) They are equal (b) 1/3 (c) 4/7

Answer key

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

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