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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 74 · 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 2/5 of 25? (a) 5 (b) 11 (c) 10 (d) 15
  2. 2.4/9 + 1/3 = ? (a) 8/9 (b) 2/3 (c) 7/9 (d) 5/12
  3. 3.1/2 + 1/4 = ? (a) 1/2 (b) 3/4 (c) 1 (d) 1/3
  4. 4.5/8 + 1/2 = ? (a) 3/5 (b) 9/8 (c) 1 (d) 5/4
  5. 5.What is 1/2 of 14? (a) 7 (b) 14 (c) 8 (d) 6
  6. 6.Which fraction is greater: 1/5 or 1/4? (a) 1/5 (b) 1/4 (c) They are equal
  7. 7.3/6 + 1/2 = ? (a) 1/2 (b) 1 (c) 5/6 (d) 7/6
  8. 8.What is 1/3 of 15? (a) 5 (b) 4 (c) 6 (d) 10
  9. 9.What is 1/4 of 32? (a) 24 (b) 16 (c) 8 (d) 9
  10. 10.What is 3/5 of 30? (a) 18 (b) 6 (c) 24 (d) 12
  11. 11.What is 2/3 of 21? (a) 7 (b) 15 (c) 21 (d) 14
  12. 12.Which fraction is greater: 2/3 or 1/7? (a) 1/7 (b) 2/3 (c) They are equal
  13. 13.7/9 + 1/3 = ? (a) 1 (b) 2/3 (c) 10/9 (d) 11/9
  14. 14.What is 1/3 of 36? (a) 12 (b) 13 (c) 11 (d) 24
  15. 15.1/3 + 1/6 = ? (a) 2/9 (b) 2/3 (c) 1/2 (d) 1/3
  16. 16.What is 1/2 of 6? (a) 4 (b) 3 (c) 6 (d) 2
  17. 17.Which fraction is greater: 3/8 or 2/5? (a) 3/8 (b) 2/5 (c) They are equal
  18. 18.What is 1/5 of 40? (a) 16 (b) 9 (c) 8 (d) 32
  19. 19.What is 1/4 of 20? (a) 10 (b) 6 (c) 15 (d) 5
  20. 20.1/6 + 1/2 = ? (a) 2/3 (b) 1/2 (c) 5/6 (d) 1/4
  21. 21.1/3 + 1/4 = ? (a) 2/3 (b) 2/7 (c) 1/2 (d) 7/12
  22. 22.Which fraction is greater: 2/3 or 7/12? (a) They are equal (b) 7/12 (c) 2/3
  23. 23.Which fraction is greater: 2/3 or 3/4? (a) 2/3 (b) They are equal (c) 3/4
  24. 24.What is 1/8 of 48? (a) 7 (b) 12 (c) 42 (d) 6
  25. 25.4/7 + 1/2 = ? (a) 1 (b) 5/9 (c) 15/14 (d) 8/7
  26. 26.1/4 + 1/2 = ? (a) 1 (b) 1/3 (c) 3/4 (d) 1/2
  27. 27.What is 2/3 of 30? (a) 10 (b) 21 (c) 20 (d) 30
  28. 28.What is 4/7 of 28? (a) 4 (b) 20 (c) 12 (d) 16
  29. 29.What is 4/5 of 30? (a) 24 (b) 6 (c) 25 (d) 30
  30. 30.4/5 + 2/7 = ? (a) 37/35 (b) 1/2 (c) 38/35 (d) 39/35
  31. 31.4/6 + 5/9 = ? (a) 3/5 (b) 23/18 (c) 11/9 (d) 7/6
  32. 32.1/2 + 1/3 = ? (a) 2/5 (b) 5/6 (c) 1 (d) 2/3
  33. 33.7/8 + 2/6 = ? (a) 5/4 (b) 7/6 (c) 29/24 (d) 9/14
  34. 34.What is 1/2 of 22? (a) 11 (b) 10 (c) 22 (d) 12
  35. 35.What is 3/4 of 16? (a) 16 (b) 4 (c) 13 (d) 12
  36. 36.Which fraction is greater: 7/10 or 7/9? (a) They are equal (b) 7/9 (c) 7/10
  37. 37.Which fraction is greater: 1/7 or 1/6? (a) 1/7 (b) 1/6 (c) They are equal
  38. 38.What is 1/2 of 18? (a) 8 (b) 10 (c) 9 (d) 18
  39. 39.4/7 + 3/4 = ? (a) 7/11 (b) 19/14 (c) 9/7 (d) 37/28
  40. 40.Which fraction is greater: 9/10 or 1/5? (a) 1/5 (b) They are equal (c) 9/10

Answer key

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

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