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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 413 · 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. 1.5/6 + 4/9 = ? (a) 4/3 (b) 11/9 (c) 23/18 (d) 3/5
  2. 2.Which fraction is greater: 1/7 or 3/4? (a) They are equal (b) 3/4 (c) 1/7
  3. 3.5/8 + 1/2 = ? (a) 5/4 (b) 3/5 (c) 1 (d) 9/8
  4. 4.Which fraction is greater: 1/3 or 7/9? (a) They are equal (b) 7/9 (c) 1/3
  5. 5.What is 2/3 of 9? (a) 7 (b) 3 (c) 6 (d) 9
  6. 6.Which fraction is greater: 7/8 or 1/4? (a) They are equal (b) 1/4 (c) 7/8
  7. 7.What is 3/8 of 64? (a) 32 (b) 24 (c) 8 (d) 40
  8. 8.1/3 + 2/3 = ? (a) 4/3 (b) 1/2 (c) 2/3 (d) 1
  9. 9.What is 1/2 of 12? (a) 5 (b) 7 (c) 6 (d) 12
  10. 10.Which fraction is greater: 1/11 or 2/3? (a) 1/11 (b) 2/3 (c) They are equal
  11. 11.What is 2/3 of 30? (a) 30 (b) 20 (c) 10 (d) 21
  12. 12.Which fraction is greater: 7/11 or 2/7? (a) They are equal (b) 2/7 (c) 7/11
  13. 13.Which fraction is greater: 1/6 or 1/11? (a) 1/11 (b) They are equal (c) 1/6
  14. 14.Which fraction is greater: 1/3 or 3/4? (a) 1/3 (b) They are equal (c) 3/4
  15. 15.Which fraction is greater: 1/3 or 2/11? (a) 2/11 (b) 1/3 (c) They are equal
  16. 16.What is 3/4 of 16? (a) 13 (b) 12 (c) 4 (d) 16
  17. 17.Which fraction is greater: 7/11 or 1/4? (a) 1/4 (b) They are equal (c) 7/11
  18. 18.Which fraction is greater: 3/7 or 11/12? (a) 3/7 (b) They are equal (c) 11/12
  19. 19.1/4 + 4/6 = ? (a) 1/2 (b) 1 (c) 11/12 (d) 5/6
  20. 20.1/8 + 2/3 = ? (a) 19/24 (b) 3/4 (c) 5/6 (d) 3/11
  21. 21.What is 2/3 of 21? (a) 7 (b) 15 (c) 14 (d) 21
  22. 22.Which fraction is greater: 3/5 or 5/8? (a) They are equal (b) 3/5 (c) 5/8
  23. 23.What is 4/7 of 35? (a) 15 (b) 5 (c) 25 (d) 20
  24. 24.What is 3/4 of 28? (a) 22 (b) 21 (c) 7 (d) 28
  25. 25.4/7 + 3/4 = ? (a) 9/7 (b) 37/28 (c) 7/11 (d) 19/14
  26. 26.1/2 + 1/9 = ? (a) 11/18 (b) 2/3 (c) 5/9 (d) 2/11
  27. 27.Which fraction is greater: 3/5 or 1/10? (a) 1/10 (b) They are equal (c) 3/5
  28. 28.What is 1/2 of 16? (a) 16 (b) 9 (c) 8 (d) 7
  29. 29.Which fraction is greater: 6/11 or 4/7? (a) 4/7 (b) They are equal (c) 6/11
  30. 30.What is 2/5 of 25? (a) 11 (b) 10 (c) 15 (d) 5
  31. 31.What is 1/2 of 6? (a) 6 (b) 4 (c) 2 (d) 3
  32. 32.Which fraction is greater: 5/6 or 7/11? (a) 7/11 (b) 5/6 (c) They are equal
  33. 33.3/5 + 2/4 = ? (a) 11/10 (b) 5/9 (c) 21/20 (d) 23/20
  34. 34.2/3 + 1/3 = ? (a) 1/2 (b) 1 (c) 4/3 (d) 2/3
  35. 35.1/6 + 2/3 = ? (a) 2/3 (b) 1/3 (c) 5/6 (d) 1
  36. 36.4/5 + 1/3 = ? (a) 6/5 (b) 16/15 (c) 5/8 (d) 17/15
  37. 37.2/3 + 4/9 = ? (a) 11/9 (b) 10/9 (c) 1/2 (d) 1
  38. 38.2/3 + 4/7 = ? (a) 25/21 (b) 26/21 (c) 9/7 (d) 3/5
  39. 39.Which fraction is greater: 5/7 or 1/12? (a) They are equal (b) 1/12 (c) 5/7
  40. 40.Which fraction is greater: 2/3 or 1/5? (a) They are equal (b) 1/5 (c) 2/3

Answer key

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

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