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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 683 · 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.What is 1/2 of 4? (a) 2 (b) 4 (c) 1 (d) 3
  2. 2.8/9 + 1/2 = ? (a) 13/9 (b) 9/11 (c) 25/18 (d) 4/3
  3. 3.What is 1/7 of 42? (a) 36 (b) 6 (c) 12 (d) 7
  4. 4.1/2 + 4/8 = ? (a) 1/2 (b) 7/8 (c) 9/8 (d) 1
  5. 5.Which fraction is greater: 3/8 or 3/4? (a) They are equal (b) 3/8 (c) 3/4
  6. 6.What is 5/7 of 28? (a) 4 (b) 8 (c) 20 (d) 24
  7. 7.Which fraction is greater: 2/9 or 1/3? (a) 2/9 (b) 1/3 (c) They are equal
  8. 8.What is 7/9 of 36? (a) 8 (b) 32 (c) 28 (d) 4
  9. 9.What is 1/4 of 48? (a) 13 (b) 36 (c) 24 (d) 12
  10. 10.Which fraction is greater: 5/12 or 2/3? (a) They are equal (b) 2/3 (c) 5/12
  11. 11.What is 1/2 of 8? (a) 3 (b) 4 (c) 8 (d) 5
  12. 12.Which fraction is greater: 1/6 or 3/5? (a) 3/5 (b) 1/6 (c) They are equal
  13. 13.What is 2/5 of 20? (a) 8 (b) 9 (c) 12 (d) 4
  14. 14.What is 1/2 of 22? (a) 22 (b) 10 (c) 11 (d) 12
  15. 15.2/4 + 2/6 = ? (a) 11/12 (b) 2/5 (c) 3/4 (d) 5/6
  16. 16.Which fraction is greater: 3/8 or 4/7? (a) They are equal (b) 3/8 (c) 4/7
  17. 17.Which fraction is greater: 1/9 or 2/3? (a) 1/9 (b) They are equal (c) 2/3
  18. 18.1/2 + 2/8 = ? (a) 3/4 (b) 3/10 (c) 7/8 (d) 5/8
  19. 19.2/7 + 1/3 = ? (a) 3/10 (b) 4/7 (c) 2/3 (d) 13/21
  20. 20.6/7 + 1/2 = ? (a) 9/7 (b) 7/9 (c) 10/7 (d) 19/14
  21. 21.Which fraction is greater: 1/3 or 9/10? (a) 9/10 (b) They are equal (c) 1/3
  22. 22.Which fraction is greater: 1/3 or 1/12? (a) They are equal (b) 1/12 (c) 1/3
  23. 23.Which fraction is greater: 1/3 or 1/9? (a) 1/9 (b) They are equal (c) 1/3
  24. 24.Which fraction is greater: 3/4 or 2/3? (a) 2/3 (b) They are equal (c) 3/4
  25. 25.1/5 + 1/5 = ? (a) 4/5 (b) 1/5 (c) 3/5 (d) 2/5
  26. 26.7/8 + 2/4 = ? (a) 5/4 (b) 11/8 (c) 3/2 (d) 3/4
  27. 27.Which fraction is greater: 2/5 or 3/4? (a) 3/4 (b) They are equal (c) 2/5
  28. 28.6/7 + 1/3 = ? (a) 26/21 (b) 8/7 (c) 25/21 (d) 7/10
  29. 29.Which fraction is greater: 1/3 or 1/4? (a) They are equal (b) 1/4 (c) 1/3
  30. 30.Which fraction is greater: 1/4 or 4/7? (a) They are equal (b) 1/4 (c) 4/7
  31. 31.Which fraction is greater: 1/6 or 3/8? (a) 1/6 (b) They are equal (c) 3/8
  32. 32.What is 1/3 of 15? (a) 5 (b) 4 (c) 10 (d) 6
  33. 33.1/2 + 6/7 = ? (a) 7/9 (b) 9/7 (c) 10/7 (d) 19/14
  34. 34.4/8 + 3/4 = ? (a) 9/8 (b) 7/12 (c) 11/8 (d) 5/4
  35. 35.Which fraction is greater: 3/10 or 2/3? (a) 3/10 (b) They are equal (c) 2/3
  36. 36.1/4 + 1/2 = ? (a) 3/4 (b) 1/2 (c) 1/3 (d) 1
  37. 37.What is 1/6 of 12? (a) 3 (b) 10 (c) 4 (d) 2
  38. 38.What is 2/9 of 45? (a) 5 (b) 35 (c) 10 (d) 15
  39. 39.What is 1/5 of 55? (a) 22 (b) 12 (c) 44 (d) 11
  40. 40.1/8 + 1/3 = ? (a) 11/24 (b) 1/2 (c) 5/12 (d) 2/11

Answer key

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

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