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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 716 · 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 1/2 of 22? (a) 10 (b) 22 (c) 11 (d) 12
  2. 2.Which fraction is greater: 1/8 or 9/10? (a) 9/10 (b) 1/8 (c) They are equal
  3. 3.Which fraction is greater: 6/7 or 2/3? (a) 6/7 (b) They are equal (c) 2/3
  4. 4.1/3 + 2/5 = ? (a) 3/8 (b) 11/15 (c) 2/3 (d) 4/5
  5. 5.Which fraction is greater: 1/10 or 6/7? (a) 6/7 (b) They are equal (c) 1/10
  6. 6.1/5 + 1/2 = ? (a) 7/10 (b) 3/5 (c) 2/7 (d) 4/5
  7. 7.What is 8/9 of 18? (a) 18 (b) 16 (c) 2 (d) 17
  8. 8.1/2 + 1/2 = ? (a) 1/2 (b) 1 (c) 2 (d) 3/2
  9. 9.What is 1/6 of 36? (a) 6 (b) 7 (c) 12 (d) 30
  10. 10.2/3 + 3/5 = ? (a) 5/8 (b) 19/15 (c) 4/3 (d) 6/5
  11. 11.Which fraction is greater: 5/6 or 8/11? (a) 8/11 (b) 5/6 (c) They are equal
  12. 12.Which fraction is greater: 4/5 or 7/9? (a) They are equal (b) 4/5 (c) 7/9
  13. 13.What is 1/7 of 49? (a) 42 (b) 8 (c) 7 (d) 14
  14. 14.What is 1/2 of 6? (a) 6 (b) 4 (c) 3 (d) 2
  15. 15.What is 2/3 of 9? (a) 7 (b) 9 (c) 6 (d) 3
  16. 16.What is 3/7 of 63? (a) 27 (b) 28 (c) 36 (d) 9
  17. 17.What is 1/2 of 4? (a) 2 (b) 1 (c) 4 (d) 3
  18. 18.5/8 + 1/2 = ? (a) 1 (b) 5/4 (c) 9/8 (d) 3/5
  19. 19.What is 5/6 of 12? (a) 12 (b) 11 (c) 10 (d) 2
  20. 20.What is 2/9 of 81? (a) 63 (b) 27 (c) 9 (d) 18
  21. 21.What is 5/7 of 63? (a) 9 (b) 45 (c) 18 (d) 54
  22. 22.1/3 + 3/4 = ? (a) 7/6 (b) 13/12 (c) 4/7 (d) 1
  23. 23.1/5 + 3/4 = ? (a) 4/9 (b) 9/10 (c) 19/20 (d) 1
  24. 24.What is 1/4 of 16? (a) 4 (b) 12 (c) 8 (d) 5
  25. 25.4/6 + 4/9 = ? (a) 8/15 (b) 10/9 (c) 19/18 (d) 7/6
  26. 26.1/2 + 7/8 = ? (a) 5/4 (b) 4/5 (c) 11/8 (d) 3/2
  27. 27.What is 1/2 of 10? (a) 10 (b) 5 (c) 4 (d) 6
  28. 28.What is 3/4 of 24? (a) 6 (b) 18 (c) 19 (d) 24
  29. 29.What is 1/4 of 40? (a) 11 (b) 30 (c) 20 (d) 10
  30. 30.5/6 + 1/2 = ? (a) 3/4 (b) 3/2 (c) 4/3 (d) 7/6
  31. 31.What is 8/9 of 27? (a) 24 (b) 3 (c) 25 (d) 27
  32. 32.1/2 + 3/5 = ? (a) 6/5 (b) 4/7 (c) 1 (d) 11/10
  33. 33.What is 1/2 of 24? (a) 24 (b) 11 (c) 13 (d) 12
  34. 34.Which fraction is greater: 3/5 or 7/8? (a) 7/8 (b) They are equal (c) 3/5
  35. 35.Which fraction is greater: 2/3 or 2/5? (a) They are equal (b) 2/5 (c) 2/3
  36. 36.What is 2/3 of 18? (a) 13 (b) 12 (c) 18 (d) 6
  37. 37.Which fraction is greater: 1/7 or 1/3? (a) 1/3 (b) They are equal (c) 1/7
  38. 38.Which fraction is greater: 7/11 or 3/10? (a) 7/11 (b) 3/10 (c) They are equal
  39. 39.What is 1/9 of 18? (a) 16 (b) 2 (c) 3 (d) 4
  40. 40.Which fraction is greater: 2/11 or 3/4? (a) 2/11 (b) 3/4 (c) They are equal

Answer key

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

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