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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 172 · 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: 4/5 or 6/7? (a) 4/5 (b) They are equal (c) 6/7
  2. 2.What is 1/2 of 6? (a) 4 (b) 2 (c) 3 (d) 6
  3. 3.What is 3/5 of 30? (a) 6 (b) 18 (c) 24 (d) 12
  4. 4.What is 2/5 of 20? (a) 4 (b) 12 (c) 9 (d) 8
  5. 5.What is 1/7 of 21? (a) 18 (b) 4 (c) 3 (d) 6
  6. 6.Which fraction is greater: 1/7 or 1/10? (a) 1/10 (b) They are equal (c) 1/7
  7. 7.1/2 + 1/4 = ? (a) 1/2 (b) 3/4 (c) 1 (d) 1/3
  8. 8.2/4 + 5/9 = ? (a) 37/36 (b) 19/18 (c) 13/12 (d) 7/13
  9. 9.What is 5/6 of 66? (a) 66 (b) 11 (c) 56 (d) 55
  10. 10.1/2 + 2/3 = ? (a) 4/3 (b) 7/6 (c) 1 (d) 3/5
  11. 11.Which fraction is greater: 1/5 or 3/8? (a) They are equal (b) 1/5 (c) 3/8
  12. 12.What is 1/2 of 20? (a) 11 (b) 10 (c) 9 (d) 20
  13. 13.3/4 + 3/8 = ? (a) 1 (b) 9/8 (c) 5/4 (d) 1/2
  14. 14.What is 2/3 of 27? (a) 9 (b) 27 (c) 18 (d) 19
  15. 15.What is 2/5 of 35? (a) 14 (b) 15 (c) 7 (d) 21
  16. 16.Which fraction is greater: 2/5 or 3/11? (a) 3/11 (b) 2/5 (c) They are equal
  17. 17.1/3 + 2/3 = ? (a) 1/2 (b) 2/3 (c) 1 (d) 4/3
  18. 18.Which fraction is greater: 4/5 or 5/9? (a) 4/5 (b) They are equal (c) 5/9
  19. 19.What is 5/7 of 63? (a) 9 (b) 18 (c) 54 (d) 45
  20. 20.Which fraction is greater: 1/4 or 7/8? (a) 7/8 (b) They are equal (c) 1/4
  21. 21.Which fraction is greater: 9/10 or 3/5? (a) 9/10 (b) They are equal (c) 3/5
  22. 22.Which fraction is greater: 1/5 or 5/7? (a) 1/5 (b) They are equal (c) 5/7
  23. 23.3/4 + 7/9 = ? (a) 10/13 (b) 3/2 (c) 14/9 (d) 55/36
  24. 24.Which fraction is greater: 1/11 or 2/5? (a) They are equal (b) 2/5 (c) 1/11
  25. 25.Which fraction is greater: 3/8 or 3/4? (a) 3/4 (b) They are equal (c) 3/8
  26. 26.Which fraction is greater: 1/8 or 3/4? (a) 1/8 (b) They are equal (c) 3/4
  27. 27.What is 2/9 of 72? (a) 16 (b) 24 (c) 8 (d) 56
  28. 28.1/2 + 6/7 = ? (a) 7/9 (b) 19/14 (c) 10/7 (d) 9/7
  29. 29.Which fraction is greater: 6/7 or 3/11? (a) 3/11 (b) 6/7 (c) They are equal
  30. 30.Which fraction is greater: 3/5 or 11/12? (a) 3/5 (b) They are equal (c) 11/12
  31. 31.1/3 + 1/6 = ? (a) 1/3 (b) 1/2 (c) 2/9 (d) 2/3
  32. 32.3/4 + 1/2 = ? (a) 2/3 (b) 1 (c) 5/4 (d) 3/2
  33. 33.2/5 + 1/3 = ? (a) 4/5 (b) 3/8 (c) 11/15 (d) 2/3
  34. 34.Which fraction is greater: 1/6 or 2/3? (a) 2/3 (b) They are equal (c) 1/6
  35. 35.1/5 + 3/6 = ? (a) 7/10 (b) 4/11 (c) 2/3 (d) 11/15
  36. 36.3/6 + 1/2 = ? (a) 5/6 (b) 7/6 (c) 1 (d) 1/2
  37. 37.Which fraction is greater: 1/3 or 1/5? (a) 1/3 (b) They are equal (c) 1/5
  38. 38.What is 4/7 of 28? (a) 16 (b) 4 (c) 20 (d) 12
  39. 39.3/4 + 1/7 = ? (a) 13/14 (b) 4/11 (c) 6/7 (d) 25/28
  40. 40.2/3 + 3/9 = ? (a) 5/12 (b) 10/9 (c) 1 (d) 8/9

Answer key

  1. 6/7
  2. 3
  3. 18
  4. 8
  5. 3
  6. 1/7
  7. 3/4
  8. 19/18
  9. 55
  10. 7/6
  11. 3/8
  12. 10
  13. 9/8
  14. 18
  15. 14
  16. 2/5
  17. 1
  18. 4/5
  19. 45
  20. 7/8
  21. 9/10
  22. 5/7
  23. 55/36
  24. 2/5
  25. 3/4
  26. 3/4
  27. 16
  28. 19/14
  29. 6/7
  30. 11/12
  31. 1/2
  32. 5/4
  33. 11/15
  34. 2/3
  35. 7/10
  36. 1
  37. 1/3
  38. 16
  39. 25/28
  40. 1

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