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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 276 · 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. 1.4/5 + 1/2 = ? (a) 6/5 (b) 7/5 (c) 5/7 (d) 13/10
  2. 2.Which fraction is greater: 1/12 or 1/8? (a) 1/8 (b) They are equal (c) 1/12
  3. 3.4/5 + 2/4 = ? (a) 2/3 (b) 5/4 (c) 13/10 (d) 27/20
  4. 4.What is 2/7 of 21? (a) 6 (b) 3 (c) 15 (d) 9
  5. 5.What is 3/5 of 25? (a) 10 (b) 20 (c) 5 (d) 15
  6. 6.3/9 + 1/2 = ? (a) 4/11 (b) 7/9 (c) 5/6 (d) 8/9
  7. 7.What is 5/7 of 84? (a) 60 (b) 12 (c) 24 (d) 72
  8. 8.5/6 + 1/2 = ? (a) 7/6 (b) 4/3 (c) 3/4 (d) 3/2
  9. 9.Which fraction is greater: 1/3 or 3/4? (a) 3/4 (b) They are equal (c) 1/3
  10. 10.Which fraction is greater: 10/11 or 1/4? (a) 10/11 (b) They are equal (c) 1/4
  11. 11.What is 1/4 of 12? (a) 6 (b) 4 (c) 9 (d) 3
  12. 12.Which fraction is greater: 2/9 or 1/3? (a) They are equal (b) 2/9 (c) 1/3
  13. 13.1/2 + 1/8 = ? (a) 5/8 (b) 1/5 (c) 1/2 (d) 3/4
  14. 14.2/3 + 1/4 = ? (a) 3/7 (b) 5/6 (c) 11/12 (d) 1
  15. 15.What is 1/2 of 22? (a) 12 (b) 10 (c) 11 (d) 22
  16. 16.What is 5/7 of 63? (a) 54 (b) 45 (c) 18 (d) 9
  17. 17.What is 1/9 of 63? (a) 14 (b) 7 (c) 56 (d) 8
  18. 18.Which fraction is greater: 1/3 or 3/11? (a) 3/11 (b) 1/3 (c) They are equal
  19. 19.Which fraction is greater: 5/8 or 1/3? (a) They are equal (b) 1/3 (c) 5/8
  20. 20.What is 4/7 of 49? (a) 21 (b) 7 (c) 28 (d) 35
  21. 21.What is 6/7 of 21? (a) 19 (b) 3 (c) 21 (d) 18
  22. 22.What is 5/9 of 90? (a) 60 (b) 10 (c) 40 (d) 50
  23. 23.1/2 + 4/7 = ? (a) 15/14 (b) 8/7 (c) 5/9 (d) 1
  24. 24.What is 4/7 of 21? (a) 9 (b) 12 (c) 3 (d) 15
  25. 25.1/9 + 1/9 = ? (a) 4/9 (b) 2/9 (c) 1/9 (d) 1/3
  26. 26.1/3 + 2/6 = ? (a) 2/3 (b) 5/6 (c) 1/3 (d) 1/2
  27. 27.Which fraction is greater: 7/12 or 5/9? (a) They are equal (b) 7/12 (c) 5/9
  28. 28.What is 5/8 of 56? (a) 7 (b) 42 (c) 35 (d) 21
  29. 29.Which fraction is greater: 1/4 or 7/10? (a) 1/4 (b) 7/10 (c) They are equal
  30. 30.Which fraction is greater: 3/8 or 1/6? (a) They are equal (b) 3/8 (c) 1/6
  31. 31.Which fraction is greater: 3/5 or 9/11? (a) 3/5 (b) They are equal (c) 9/11
  32. 32.1/4 + 1/4 = ? (a) 1/2 (b) 1 (c) 3/4 (d) 1/4
  33. 33.Which fraction is greater: 1/9 or 1/8? (a) They are equal (b) 1/8 (c) 1/9
  34. 34.What is 1/2 of 4? (a) 2 (b) 3 (c) 1 (d) 4
  35. 35.Which fraction is greater: 4/7 or 2/3? (a) 2/3 (b) They are equal (c) 4/7
  36. 36.1/6 + 2/3 = ? (a) 2/3 (b) 5/6 (c) 1/3 (d) 1
  37. 37.Which fraction is greater: 3/4 or 7/8? (a) They are equal (b) 3/4 (c) 7/8
  38. 38.What is 1/2 of 6? (a) 4 (b) 6 (c) 2 (d) 3
  39. 39.Which fraction is greater: 3/5 or 1/3? (a) 3/5 (b) 1/3 (c) They are equal
  40. 40.2/3 + 1/2 = ? (a) 3/5 (b) 7/6 (c) 4/3 (d) 1

Answer key

  1. 13/10
  2. 1/8
  3. 13/10
  4. 6
  5. 15
  6. 5/6
  7. 60
  8. 4/3
  9. 3/4
  10. 10/11
  11. 3
  12. 1/3
  13. 5/8
  14. 11/12
  15. 11
  16. 45
  17. 7
  18. 1/3
  19. 5/8
  20. 28
  21. 18
  22. 50
  23. 15/14
  24. 12
  25. 2/9
  26. 2/3
  27. 7/12
  28. 35
  29. 7/10
  30. 3/8
  31. 9/11
  32. 1/2
  33. 1/8
  34. 2
  35. 2/3
  36. 5/6
  37. 7/8
  38. 3
  39. 3/5
  40. 7/6

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