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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 925 · 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. 1.5/7 + 4/7 = ? (a) 9/14 (b) 9/7 (c) 10/7 (d) 8/7
  2. 2.1/2 + 4/8 = ? (a) 1/2 (b) 7/8 (c) 1 (d) 9/8
  3. 3.What is 1/4 of 8? (a) 6 (b) 3 (c) 2 (d) 4
  4. 4.What is 1/3 of 15? (a) 5 (b) 6 (c) 4 (d) 10
  5. 5.Which fraction is greater: 1/5 or 1/3? (a) 1/5 (b) 1/3 (c) They are equal
  6. 6.Which fraction is greater: 1/3 or 1/4? (a) 1/4 (b) 1/3 (c) They are equal
  7. 7.4/5 + 5/6 = ? (a) 49/30 (b) 8/5 (c) 5/3 (d) 9/11
  8. 8.What is 1/7 of 35? (a) 5 (b) 10 (c) 30 (d) 6
  9. 9.What is 2/3 of 30? (a) 21 (b) 30 (c) 10 (d) 20
  10. 10.Which fraction is greater: 7/10 or 1/4? (a) 1/4 (b) They are equal (c) 7/10
  11. 11.What is 4/5 of 45? (a) 45 (b) 36 (c) 9 (d) 37
  12. 12.Which fraction is greater: 1/4 or 1/7? (a) They are equal (b) 1/4 (c) 1/7
  13. 13.2/4 + 3/5 = ? (a) 21/20 (b) 23/20 (c) 5/9 (d) 11/10
  14. 14.What is 1/3 of 24? (a) 16 (b) 7 (c) 8 (d) 9
  15. 15.What is 2/3 of 33? (a) 22 (b) 11 (c) 33 (d) 23
  16. 16.Which fraction is greater: 3/4 or 6/11? (a) They are equal (b) 6/11 (c) 3/4
  17. 17.Which fraction is greater: 3/11 or 2/3? (a) 2/3 (b) 3/11 (c) They are equal
  18. 18.What is 2/9 of 54? (a) 12 (b) 6 (c) 18 (d) 42
  19. 19.4/9 + 1/2 = ? (a) 17/18 (b) 1 (c) 8/9 (d) 5/11
  20. 20.Which fraction is greater: 3/4 or 1/3? (a) 1/3 (b) They are equal (c) 3/4
  21. 21.3/4 + 1/7 = ? (a) 25/28 (b) 13/14 (c) 4/11 (d) 6/7
  22. 22.Which fraction is greater: 7/8 or 1/3? (a) 7/8 (b) They are equal (c) 1/3
  23. 23.What is 1/5 of 30? (a) 6 (b) 12 (c) 24 (d) 7
  24. 24.2/5 + 1/2 = ? (a) 1 (b) 3/7 (c) 4/5 (d) 9/10
  25. 25.5/9 + 1/2 = ? (a) 10/9 (b) 19/18 (c) 1 (d) 6/11
  26. 26.1/3 + 1/4 = ? (a) 2/7 (b) 7/12 (c) 2/3 (d) 1/2
  27. 27.Which fraction is greater: 3/4 or 3/7? (a) They are equal (b) 3/7 (c) 3/4
  28. 28.What is 5/6 of 24? (a) 20 (b) 24 (c) 4 (d) 21
  29. 29.1/3 + 1/8 = ? (a) 5/12 (b) 11/24 (c) 2/11 (d) 1/2
  30. 30.Which fraction is greater: 5/6 or 1/3? (a) 1/3 (b) 5/6 (c) They are equal
  31. 31.What is 2/3 of 21? (a) 14 (b) 7 (c) 15 (d) 21
  32. 32.3/9 + 1/2 = ? (a) 7/9 (b) 4/11 (c) 5/6 (d) 8/9
  33. 33.What is 1/4 of 24? (a) 7 (b) 18 (c) 12 (d) 6
  34. 34.1/2 + 1/6 = ? (a) 1/2 (b) 2/3 (c) 1/4 (d) 5/6
  35. 35.Which fraction is greater: 2/3 or 7/10? (a) 2/3 (b) They are equal (c) 7/10
  36. 36.Which fraction is greater: 5/12 or 5/8? (a) 5/8 (b) They are equal (c) 5/12
  37. 37.What is 2/3 of 18? (a) 13 (b) 18 (c) 6 (d) 12
  38. 38.4/5 + 1/2 = ? (a) 7/5 (b) 5/7 (c) 13/10 (d) 6/5
  39. 39.3/5 + 4/6 = ? (a) 13/10 (b) 7/11 (c) 37/30 (d) 19/15
  40. 40.2/4 + 1/3 = ? (a) 3/7 (b) 5/6 (c) 11/12 (d) 3/4

Answer key

  1. 9/7
  2. 1
  3. 2
  4. 5
  5. 1/3
  6. 1/3
  7. 49/30
  8. 5
  9. 20
  10. 7/10
  11. 36
  12. 1/4
  13. 11/10
  14. 8
  15. 22
  16. 3/4
  17. 2/3
  18. 12
  19. 17/18
  20. 3/4
  21. 25/28
  22. 7/8
  23. 6
  24. 9/10
  25. 19/18
  26. 7/12
  27. 3/4
  28. 20
  29. 11/24
  30. 5/6
  31. 14
  32. 5/6
  33. 6
  34. 2/3
  35. 7/10
  36. 5/8
  37. 12
  38. 13/10
  39. 19/15
  40. 5/6

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