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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 443 · 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 1/4 of 44? (a) 33 (b) 11 (c) 12 (d) 22
  2. 2.Which fraction is greater: 2/3 or 8/9? (a) 8/9 (b) 2/3 (c) They are equal
  3. 3.2/3 + 2/7 = ? (a) 20/21 (b) 19/21 (c) 2/5 (d) 1
  4. 4.1/2 + 4/8 = ? (a) 1/2 (b) 7/8 (c) 1 (d) 9/8
  5. 5.What is 7/8 of 64? (a) 57 (b) 56 (c) 64 (d) 8
  6. 6.Which fraction is greater: 2/3 or 4/7? (a) 4/7 (b) 2/3 (c) They are equal
  7. 7.What is 2/3 of 15? (a) 5 (b) 11 (c) 15 (d) 10
  8. 8.3/4 + 3/4 = ? (a) 5/4 (b) 3/4 (c) 3/2 (d) 7/4
  9. 9.What is 3/7 of 77? (a) 11 (b) 44 (c) 34 (d) 33
  10. 10.1/3 + 3/5 = ? (a) 14/15 (b) 1 (c) 1/2 (d) 13/15
  11. 11.1/5 + 3/6 = ? (a) 2/3 (b) 11/15 (c) 4/11 (d) 7/10
  12. 12.1/3 + 2/9 = ? (a) 4/9 (b) 2/3 (c) 5/9 (d) 1/4
  13. 13.What is 3/5 of 10? (a) 8 (b) 6 (c) 2 (d) 4
  14. 14.What is 1/2 of 10? (a) 6 (b) 4 (c) 5 (d) 10
  15. 15.What is 5/7 of 84? (a) 12 (b) 60 (c) 72 (d) 24
  16. 16.1/4 + 4/5 = ? (a) 5/9 (b) 1 (c) 11/10 (d) 21/20
  17. 17.Which fraction is greater: 1/4 or 1/5? (a) 1/4 (b) 1/5 (c) They are equal
  18. 18.What is 1/2 of 16? (a) 9 (b) 8 (c) 7 (d) 16
  19. 19.Which fraction is greater: 1/4 or 5/6? (a) 1/4 (b) They are equal (c) 5/6
  20. 20.5/7 + 2/7 = ? (a) 1/2 (b) 6/7 (c) 1 (d) 8/7
  21. 21.What is 3/5 of 25? (a) 15 (b) 5 (c) 20 (d) 10
  22. 22.8/9 + 2/6 = ? (a) 7/6 (b) 2/3 (c) 11/9 (d) 23/18
  23. 23.What is 2/9 of 81? (a) 9 (b) 63 (c) 27 (d) 18
  24. 24.What is 3/4 of 32? (a) 8 (b) 25 (c) 32 (d) 24
  25. 25.What is 2/7 of 42? (a) 30 (b) 6 (c) 18 (d) 12
  26. 26.1/2 + 6/7 = ? (a) 10/7 (b) 9/7 (c) 19/14 (d) 7/9
  27. 27.Which fraction is greater: 2/5 or 7/8? (a) 2/5 (b) 7/8 (c) They are equal
  28. 28.What is 1/7 of 28? (a) 5 (b) 4 (c) 8 (d) 24
  29. 29.Which fraction is greater: 3/4 or 2/5? (a) 2/5 (b) They are equal (c) 3/4
  30. 30.Which fraction is greater: 2/5 or 1/3? (a) 2/5 (b) 1/3 (c) They are equal
  31. 31.What is 1/2 of 6? (a) 2 (b) 6 (c) 4 (d) 3
  32. 32.Which fraction is greater: 4/5 or 11/12? (a) They are equal (b) 4/5 (c) 11/12
  33. 33.What is 1/4 of 28? (a) 21 (b) 7 (c) 14 (d) 8
  34. 34.8/9 + 2/4 = ? (a) 10/13 (b) 17/12 (c) 49/36 (d) 25/18
  35. 35.What is 5/7 of 35? (a) 5 (b) 30 (c) 10 (d) 25
  36. 36.Which fraction is greater: 5/6 or 2/9? (a) 2/9 (b) 5/6 (c) They are equal
  37. 37.What is 3/4 of 16? (a) 4 (b) 16 (c) 12 (d) 13
  38. 38.What is 2/7 of 63? (a) 9 (b) 27 (c) 18 (d) 45
  39. 39.What is 2/5 of 45? (a) 9 (b) 27 (c) 19 (d) 18
  40. 40.Which fraction is greater: 1/4 or 2/3? (a) They are equal (b) 1/4 (c) 2/3

Answer key

  1. 11
  2. 8/9
  3. 20/21
  4. 1
  5. 56
  6. 2/3
  7. 10
  8. 3/2
  9. 33
  10. 14/15
  11. 7/10
  12. 5/9
  13. 6
  14. 5
  15. 60
  16. 21/20
  17. 1/4
  18. 8
  19. 5/6
  20. 1
  21. 15
  22. 11/9
  23. 18
  24. 24
  25. 12
  26. 19/14
  27. 7/8
  28. 4
  29. 3/4
  30. 2/5
  31. 3
  32. 11/12
  33. 7
  34. 25/18
  35. 25
  36. 5/6
  37. 12
  38. 18
  39. 18
  40. 2/3

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