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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 327 · 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: 3/4 or 7/11? (a) They are equal (b) 3/4 (c) 7/11
  2. 2.3/4 + 1/2 = ? (a) 2/3 (b) 3/2 (c) 1 (d) 5/4
  3. 3.Which fraction is greater: 1/4 or 4/7? (a) They are equal (b) 1/4 (c) 4/7
  4. 4.Which fraction is greater: 2/9 or 3/8? (a) 2/9 (b) They are equal (c) 3/8
  5. 5.What is 1/3 of 15? (a) 6 (b) 4 (c) 5 (d) 10
  6. 6.Which fraction is greater: 5/8 or 2/3? (a) They are equal (b) 2/3 (c) 5/8
  7. 7.Which fraction is greater: 2/5 or 2/9? (a) They are equal (b) 2/5 (c) 2/9
  8. 8.6/9 + 1/2 = ? (a) 11/9 (b) 7/11 (c) 10/9 (d) 7/6
  9. 9.Which fraction is greater: 1/12 or 1/5? (a) 1/12 (b) They are equal (c) 1/5
  10. 10.2/5 + 1/3 = ? (a) 3/8 (b) 11/15 (c) 2/3 (d) 4/5
  11. 11.Which fraction is greater: 1/7 or 5/12? (a) They are equal (b) 1/7 (c) 5/12
  12. 12.What is 2/3 of 30? (a) 30 (b) 20 (c) 10 (d) 21
  13. 13.Which fraction is greater: 1/3 or 1/5? (a) 1/5 (b) They are equal (c) 1/3
  14. 14.What is 1/2 of 8? (a) 5 (b) 8 (c) 4 (d) 3
  15. 15.Which fraction is greater: 3/5 or 2/3? (a) 2/3 (b) They are equal (c) 3/5
  16. 16.Which fraction is greater: 5/11 or 1/6? (a) 1/6 (b) 5/11 (c) They are equal
  17. 17.What is 7/8 of 24? (a) 22 (b) 3 (c) 24 (d) 21
  18. 18.What is 1/2 of 18? (a) 10 (b) 8 (c) 18 (d) 9
  19. 19.3/6 + 7/9 = ? (a) 11/9 (b) 4/3 (c) 23/18 (d) 2/3
  20. 20.1/2 + 6/9 = ? (a) 11/9 (b) 7/11 (c) 10/9 (d) 7/6
  21. 21.What is 1/3 of 33? (a) 22 (b) 10 (c) 12 (d) 11
  22. 22.What is 4/7 of 21? (a) 15 (b) 12 (c) 9 (d) 3
  23. 23.What is 1/2 of 12? (a) 12 (b) 7 (c) 5 (d) 6
  24. 24.What is 2/3 of 9? (a) 3 (b) 7 (c) 9 (d) 6
  25. 25.1/7 + 1/3 = ? (a) 11/21 (b) 10/21 (c) 1/5 (d) 3/7
  26. 26.What is 1/2 of 10? (a) 4 (b) 5 (c) 10 (d) 6
  27. 27.What is 2/5 of 25? (a) 5 (b) 15 (c) 11 (d) 10
  28. 28.1/5 + 4/6 = ? (a) 5/11 (b) 5/6 (c) 13/15 (d) 9/10
  29. 29.What is 4/7 of 14? (a) 6 (b) 2 (c) 10 (d) 8
  30. 30.What is 5/6 of 60? (a) 60 (b) 51 (c) 50 (d) 10
  31. 31.What is 3/8 of 64? (a) 40 (b) 8 (c) 24 (d) 32
  32. 32.2/3 + 1/2 = ? (a) 1 (b) 4/3 (c) 3/5 (d) 7/6
  33. 33.Which fraction is greater: 2/3 or 7/10? (a) 2/3 (b) They are equal (c) 7/10
  34. 34.What is 1/2 of 4? (a) 3 (b) 2 (c) 4 (d) 1
  35. 35.Which fraction is greater: 5/9 or 3/10? (a) 3/10 (b) 5/9 (c) They are equal
  36. 36.What is 2/3 of 21? (a) 14 (b) 21 (c) 7 (d) 15
  37. 37.Which fraction is greater: 1/10 or 2/7? (a) 1/10 (b) They are equal (c) 2/7
  38. 38.Which fraction is greater: 1/3 or 2/9? (a) 1/3 (b) They are equal (c) 2/9
  39. 39.Which fraction is greater: 7/12 or 1/3? (a) 1/3 (b) They are equal (c) 7/12
  40. 40.Which fraction is greater: 3/4 or 9/10? (a) 3/4 (b) 9/10 (c) They are equal

Answer key

  1. 3/4
  2. 5/4
  3. 4/7
  4. 3/8
  5. 5
  6. 2/3
  7. 2/5
  8. 7/6
  9. 1/5
  10. 11/15
  11. 5/12
  12. 20
  13. 1/3
  14. 4
  15. 2/3
  16. 5/11
  17. 21
  18. 9
  19. 23/18
  20. 7/6
  21. 11
  22. 12
  23. 6
  24. 6
  25. 10/21
  26. 5
  27. 10
  28. 13/15
  29. 8
  30. 50
  31. 24
  32. 7/6
  33. 7/10
  34. 2
  35. 5/9
  36. 14
  37. 2/7
  38. 1/3
  39. 7/12
  40. 9/10

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