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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 690 · 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. 1.1/8 + 2/6 = ? (a) 1/2 (b) 3/14 (c) 11/24 (d) 5/12
  2. 2.What is 5/9 of 108? (a) 12 (b) 72 (c) 60 (d) 48
  3. 3.Which fraction is greater: 4/5 or 1/7? (a) 4/5 (b) They are equal (c) 1/7
  4. 4.What is 1/3 of 12? (a) 8 (b) 3 (c) 5 (d) 4
  5. 5.What is 1/2 of 14? (a) 6 (b) 8 (c) 7 (d) 14
  6. 6.2/4 + 1/9 = ? (a) 23/36 (b) 3/13 (c) 11/18 (d) 7/12
  7. 7.4/9 + 2/3 = ? (a) 10/9 (b) 11/9 (c) 1 (d) 1/2
  8. 8.Which fraction is greater: 11/12 or 2/5? (a) They are equal (b) 2/5 (c) 11/12
  9. 9.1/5 + 1/2 = ? (a) 4/5 (b) 2/7 (c) 7/10 (d) 3/5
  10. 10.Which fraction is greater: 1/4 or 3/8? (a) 3/8 (b) 1/4 (c) They are equal
  11. 11.What is 5/6 of 48? (a) 41 (b) 40 (c) 48 (d) 8
  12. 12.What is 1/7 of 84? (a) 72 (b) 12 (c) 24 (d) 13
  13. 13.What is 2/3 of 18? (a) 6 (b) 13 (c) 18 (d) 12
  14. 14.2/3 + 2/3 = ? (a) 4/3 (b) 5/3 (c) 1 (d) 2/3
  15. 15.7/9 + 1/2 = ? (a) 11/9 (b) 23/18 (c) 4/3 (d) 8/11
  16. 16.What is 4/5 of 35? (a) 28 (b) 35 (c) 29 (d) 7
  17. 17.6/7 + 1/2 = ? (a) 9/7 (b) 7/9 (c) 10/7 (d) 19/14
  18. 18.1/3 + 5/7 = ? (a) 1 (b) 3/5 (c) 22/21 (d) 23/21
  19. 19.What is 7/8 of 80? (a) 71 (b) 80 (c) 70 (d) 10
  20. 20.Which fraction is greater: 3/10 or 4/7? (a) They are equal (b) 4/7 (c) 3/10
  21. 21.Which fraction is greater: 1/5 or 3/4? (a) 3/4 (b) 1/5 (c) They are equal
  22. 22.What is 2/7 of 42? (a) 12 (b) 18 (c) 6 (d) 30
  23. 23.What is 4/5 of 50? (a) 40 (b) 41 (c) 10 (d) 50
  24. 24.Which fraction is greater: 6/11 or 3/10? (a) They are equal (b) 3/10 (c) 6/11
  25. 25.Which fraction is greater: 3/10 or 3/4? (a) They are equal (b) 3/4 (c) 3/10
  26. 26.1/2 + 5/8 = ? (a) 5/4 (b) 3/5 (c) 1 (d) 9/8
  27. 27.4/8 + 1/8 = ? (a) 5/16 (b) 1/2 (c) 5/8 (d) 3/4
  28. 28.What is 2/7 of 56? (a) 40 (b) 8 (c) 24 (d) 16
  29. 29.What is 4/5 of 55? (a) 11 (b) 55 (c) 44 (d) 45
  30. 30.3/4 + 1/5 = ? (a) 1 (b) 9/10 (c) 19/20 (d) 4/9
  31. 31.Which fraction is greater: 3/7 or 5/6? (a) 5/6 (b) 3/7 (c) They are equal
  32. 32.What is 2/7 of 14? (a) 2 (b) 4 (c) 6 (d) 10
  33. 33.1/2 + 1/7 = ? (a) 5/7 (b) 4/7 (c) 9/14 (d) 2/9
  34. 34.What is 1/2 of 20? (a) 11 (b) 9 (c) 20 (d) 10
  35. 35.What is 2/9 of 27? (a) 21 (b) 6 (c) 3 (d) 9
  36. 36.What is 3/4 of 40? (a) 10 (b) 31 (c) 40 (d) 30
  37. 37.2/5 + 1/2 = ? (a) 1 (b) 3/7 (c) 9/10 (d) 4/5
  38. 38.Which fraction is greater: 4/5 or 2/11? (a) 2/11 (b) 4/5 (c) They are equal
  39. 39.Which fraction is greater: 1/12 or 1/4? (a) 1/4 (b) They are equal (c) 1/12
  40. 40.2/7 + 2/3 = ? (a) 1 (b) 2/5 (c) 19/21 (d) 20/21

Answer key

  1. 11/24
  2. 60
  3. 4/5
  4. 4
  5. 7
  6. 11/18
  7. 10/9
  8. 11/12
  9. 7/10
  10. 3/8
  11. 40
  12. 12
  13. 12
  14. 4/3
  15. 23/18
  16. 28
  17. 19/14
  18. 22/21
  19. 70
  20. 4/7
  21. 3/4
  22. 12
  23. 40
  24. 6/11
  25. 3/4
  26. 9/8
  27. 5/8
  28. 16
  29. 44
  30. 19/20
  31. 5/6
  32. 4
  33. 9/14
  34. 10
  35. 6
  36. 30
  37. 9/10
  38. 4/5
  39. 1/4
  40. 20/21

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