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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 37 · 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: 3/10 or 8/11? (a) 8/11 (b) They are equal (c) 3/10
  2. 2.Which fraction is greater: 1/7 or 2/3? (a) They are equal (b) 1/7 (c) 2/3
  3. 3.Which fraction is greater: 1/5 or 7/8? (a) They are equal (b) 7/8 (c) 1/5
  4. 4.What is 1/2 of 12? (a) 6 (b) 7 (c) 12 (d) 5
  5. 5.What is 2/7 of 70? (a) 30 (b) 20 (c) 10 (d) 50
  6. 6.1/2 + 1/3 = ? (a) 2/3 (b) 1 (c) 5/6 (d) 2/5
  7. 7.5/8 + 1/6 = ? (a) 3/4 (b) 19/24 (c) 5/6 (d) 3/7
  8. 8.What is 4/5 of 15? (a) 13 (b) 3 (c) 12 (d) 15
  9. 9.What is 1/2 of 24? (a) 11 (b) 13 (c) 12 (d) 24
  10. 10.1/2 + 2/3 = ? (a) 3/5 (b) 7/6 (c) 1 (d) 4/3
  11. 11.Which fraction is greater: 3/7 or 5/6? (a) They are equal (b) 5/6 (c) 3/7
  12. 12.Which fraction is greater: 7/12 or 1/3? (a) 7/12 (b) 1/3 (c) They are equal
  13. 13.1/5 + 2/3 = ? (a) 4/5 (b) 13/15 (c) 3/8 (d) 14/15
  14. 14.What is 3/8 of 72? (a) 9 (b) 27 (c) 45 (d) 36
  15. 15.What is 1/4 of 36? (a) 18 (b) 27 (c) 10 (d) 9
  16. 16.Which fraction is greater: 1/3 or 7/12? (a) 7/12 (b) They are equal (c) 1/3
  17. 17.What is 1/2 of 8? (a) 5 (b) 8 (c) 4 (d) 3
  18. 18.Which fraction is greater: 1/3 or 1/9? (a) 1/9 (b) They are equal (c) 1/3
  19. 19.Which fraction is greater: 3/4 or 1/3? (a) They are equal (b) 1/3 (c) 3/4
  20. 20.1/5 + 1/2 = ? (a) 2/7 (b) 3/5 (c) 7/10 (d) 4/5
  21. 21.Which fraction is greater: 1/5 or 1/4? (a) 1/4 (b) They are equal (c) 1/5
  22. 22.Which fraction is greater: 2/3 or 1/4? (a) 2/3 (b) They are equal (c) 1/4
  23. 23.1/5 + 3/7 = ? (a) 1/3 (b) 3/5 (c) 22/35 (d) 23/35
  24. 24.What is 1/6 of 30? (a) 10 (b) 5 (c) 25 (d) 6
  25. 25.Which fraction is greater: 4/7 or 1/4? (a) They are equal (b) 4/7 (c) 1/4
  26. 26.What is 2/3 of 15? (a) 15 (b) 10 (c) 11 (d) 5
  27. 27.Which fraction is greater: 1/4 or 8/9? (a) 8/9 (b) 1/4 (c) They are equal
  28. 28.1/4 + 4/8 = ? (a) 5/8 (b) 3/4 (c) 5/12 (d) 7/8
  29. 29.3/6 + 2/3 = ? (a) 7/6 (b) 4/3 (c) 1 (d) 5/9
  30. 30.5/7 + 1/2 = ? (a) 9/7 (b) 8/7 (c) 2/3 (d) 17/14
  31. 31.2/9 + 2/3 = ? (a) 1 (b) 7/9 (c) 8/9 (d) 1/3
  32. 32.Which fraction is greater: 1/9 or 2/5? (a) 2/5 (b) They are equal (c) 1/9
  33. 33.Which fraction is greater: 1/12 or 2/5? (a) 2/5 (b) They are equal (c) 1/12
  34. 34.1/2 + 4/5 = ? (a) 7/5 (b) 13/10 (c) 5/7 (d) 6/5
  35. 35.What is 2/3 of 9? (a) 3 (b) 6 (c) 9 (d) 7
  36. 36.2/3 + 2/5 = ? (a) 1/2 (b) 17/15 (c) 1 (d) 16/15
  37. 37.Which fraction is greater: 4/5 or 1/12? (a) 1/12 (b) They are equal (c) 4/5
  38. 38.What is 4/9 of 63? (a) 29 (b) 28 (c) 35 (d) 7
  39. 39.Which fraction is greater: 7/11 or 5/7? (a) 7/11 (b) They are equal (c) 5/7
  40. 40.1/2 + 1/4 = ? (a) 1 (b) 1/3 (c) 3/4 (d) 1/2

Answer key

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

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