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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 119 · 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. 1.1/3 + 3/4 = ? (a) 7/6 (b) 13/12 (c) 1 (d) 4/7
  2. 2.Which fraction is greater: 10/11 or 1/3? (a) They are equal (b) 10/11 (c) 1/3
  3. 3.What is 1/2 of 14? (a) 14 (b) 7 (c) 6 (d) 8
  4. 4.What is 1/2 of 8? (a) 5 (b) 8 (c) 3 (d) 4
  5. 5.Which fraction is greater: 3/5 or 3/4? (a) They are equal (b) 3/4 (c) 3/5
  6. 6.1/4 + 4/5 = ? (a) 5/9 (b) 11/10 (c) 1 (d) 21/20
  7. 7.Which fraction is greater: 1/3 or 1/10? (a) 1/3 (b) 1/10 (c) They are equal
  8. 8.What is 6/7 of 70? (a) 61 (b) 70 (c) 60 (d) 10
  9. 9.What is 4/9 of 45? (a) 25 (b) 5 (c) 21 (d) 20
  10. 10.2/9 + 5/6 = ? (a) 1 (b) 19/18 (c) 10/9 (d) 7/15
  11. 11.What is 1/2 of 10? (a) 5 (b) 4 (c) 6 (d) 10
  12. 12.What is 1/3 of 33? (a) 22 (b) 12 (c) 11 (d) 10
  13. 13.What is 2/3 of 12? (a) 12 (b) 9 (c) 4 (d) 8
  14. 14.Which fraction is greater: 5/8 or 9/11? (a) They are equal (b) 9/11 (c) 5/8
  15. 15.5/9 + 2/4 = ? (a) 19/18 (b) 37/36 (c) 7/13 (d) 13/12
  16. 16.1/4 + 1/7 = ? (a) 5/14 (b) 11/28 (c) 3/7 (d) 2/11
  17. 17.1/3 + 5/6 = ? (a) 1 (b) 2/3 (c) 4/3 (d) 7/6
  18. 18.What is 4/5 of 15? (a) 15 (b) 3 (c) 12 (d) 13
  19. 19.1/2 + 2/8 = ? (a) 3/4 (b) 7/8 (c) 3/10 (d) 5/8
  20. 20.Which fraction is greater: 3/4 or 1/8? (a) They are equal (b) 3/4 (c) 1/8
  21. 21.What is 3/4 of 32? (a) 24 (b) 32 (c) 25 (d) 8
  22. 22.7/8 + 2/3 = ? (a) 9/11 (b) 3/2 (c) 19/12 (d) 37/24
  23. 23.What is 1/2 of 24? (a) 13 (b) 12 (c) 24 (d) 11
  24. 24.What is 1/9 of 63? (a) 7 (b) 56 (c) 14 (d) 8
  25. 25.1/3 + 3/9 = ? (a) 5/9 (b) 7/9 (c) 1/3 (d) 2/3
  26. 26.Which fraction is greater: 10/11 or 1/7? (a) 10/11 (b) 1/7 (c) They are equal
  27. 27.Which fraction is greater: 1/4 or 1/6? (a) 1/6 (b) They are equal (c) 1/4
  28. 28.2/4 + 6/9 = ? (a) 41/36 (b) 7/6 (c) 8/13 (d) 43/36
  29. 29.1/2 + 1/4 = ? (a) 1 (b) 1/3 (c) 1/2 (d) 3/4
  30. 30.What is 1/3 of 18? (a) 12 (b) 5 (c) 7 (d) 6
  31. 31.What is 1/5 of 20? (a) 4 (b) 8 (c) 5 (d) 16
  32. 32.Which fraction is greater: 3/4 or 3/10? (a) 3/4 (b) 3/10 (c) They are equal
  33. 33.Which fraction is greater: 1/7 or 1/5? (a) 1/5 (b) 1/7 (c) They are equal
  34. 34.2/8 + 3/6 = ? (a) 5/14 (b) 19/24 (c) 3/4 (d) 17/24
  35. 35.What is 4/5 of 40? (a) 8 (b) 33 (c) 40 (d) 32
  36. 36.Which fraction is greater: 1/7 or 1/3? (a) 1/7 (b) They are equal (c) 1/3
  37. 37.Which fraction is greater: 2/3 or 5/7? (a) 5/7 (b) 2/3 (c) They are equal
  38. 38.What is 1/3 of 27? (a) 18 (b) 9 (c) 8 (d) 10
  39. 39.4/7 + 3/4 = ? (a) 9/7 (b) 37/28 (c) 19/14 (d) 7/11
  40. 40.1/8 + 1/4 = ? (a) 1/6 (b) 1/2 (c) 3/8 (d) 1/4

Answer key

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

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