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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 692 · 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 7/9 of 81? (a) 72 (b) 9 (c) 18 (d) 63
  2. 2.3/4 + 4/5 = ? (a) 3/2 (b) 31/20 (c) 7/9 (d) 8/5
  3. 3.1/7 + 1/4 = ? (a) 3/7 (b) 11/28 (c) 2/11 (d) 5/14
  4. 4.What is 8/9 of 81? (a) 73 (b) 9 (c) 81 (d) 72
  5. 5.Which fraction is greater: 11/12 or 2/3? (a) They are equal (b) 2/3 (c) 11/12
  6. 6.Which fraction is greater: 4/7 or 2/11? (a) 2/11 (b) 4/7 (c) They are equal
  7. 7.Which fraction is greater: 2/5 or 5/7? (a) 2/5 (b) They are equal (c) 5/7
  8. 8.Which fraction is greater: 11/12 or 4/9? (a) 11/12 (b) They are equal (c) 4/9
  9. 9.What is 1/3 of 6? (a) 2 (b) 4 (c) 1 (d) 3
  10. 10.1/5 + 5/6 = ? (a) 1 (b) 16/15 (c) 31/30 (d) 6/11
  11. 11.Which fraction is greater: 7/8 or 1/3? (a) 7/8 (b) 1/3 (c) They are equal
  12. 12.What is 2/5 of 50? (a) 10 (b) 20 (c) 21 (d) 30
  13. 13.1/3 + 1/6 = ? (a) 2/9 (b) 1/3 (c) 1/2 (d) 2/3
  14. 14.2/6 + 1/2 = ? (a) 2/3 (b) 3/8 (c) 1 (d) 5/6
  15. 15.What is 1/3 of 24? (a) 8 (b) 9 (c) 16 (d) 7
  16. 16.3/6 + 6/9 = ? (a) 7/6 (b) 3/5 (c) 11/9 (d) 10/9
  17. 17.Which fraction is greater: 5/11 or 2/3? (a) 2/3 (b) They are equal (c) 5/11
  18. 18.Which fraction is greater: 3/4 or 1/5? (a) They are equal (b) 1/5 (c) 3/4
  19. 19.Which fraction is greater: 5/7 or 7/8? (a) They are equal (b) 7/8 (c) 5/7
  20. 20.Which fraction is greater: 1/5 or 10/11? (a) 10/11 (b) 1/5 (c) They are equal
  21. 21.Which fraction is greater: 2/5 or 5/6? (a) 5/6 (b) 2/5 (c) They are equal
  22. 22.Which fraction is greater: 2/3 or 4/5? (a) They are equal (b) 2/3 (c) 4/5
  23. 23.What is 2/3 of 18? (a) 6 (b) 18 (c) 13 (d) 12
  24. 24.Which fraction is greater: 3/8 or 1/9? (a) 3/8 (b) They are equal (c) 1/9
  25. 25.2/8 + 3/6 = ? (a) 19/24 (b) 5/14 (c) 17/24 (d) 3/4
  26. 26.What is 2/3 of 9? (a) 3 (b) 6 (c) 9 (d) 7
  27. 27.Which fraction is greater: 5/8 or 1/7? (a) They are equal (b) 1/7 (c) 5/8
  28. 28.Which fraction is greater: 2/5 or 1/3? (a) 1/3 (b) They are equal (c) 2/5
  29. 29.What is 4/5 of 45? (a) 37 (b) 36 (c) 45 (d) 9
  30. 30.Which fraction is greater: 2/3 or 1/7? (a) They are equal (b) 2/3 (c) 1/7
  31. 31.3/4 + 1/4 = ? (a) 5/4 (b) 3/4 (c) 1 (d) 1/2
  32. 32.What is 1/8 of 32? (a) 4 (b) 28 (c) 5 (d) 8
  33. 33.What is 1/2 of 20? (a) 20 (b) 9 (c) 10 (d) 11
  34. 34.Which fraction is greater: 1/5 or 1/7? (a) 1/5 (b) They are equal (c) 1/7
  35. 35.Which fraction is greater: 1/10 or 1/4? (a) 1/10 (b) They are equal (c) 1/4
  36. 36.2/9 + 1/3 = ? (a) 2/3 (b) 1/4 (c) 4/9 (d) 5/9
  37. 37.Which fraction is greater: 9/11 or 4/7? (a) 4/7 (b) 9/11 (c) They are equal
  38. 38.What is 6/7 of 14? (a) 2 (b) 12 (c) 14 (d) 13
  39. 39.Which fraction is greater: 1/9 or 4/7? (a) 1/9 (b) They are equal (c) 4/7
  40. 40.What is 2/3 of 36? (a) 25 (b) 12 (c) 24 (d) 36

Answer key

  1. 63
  2. 31/20
  3. 11/28
  4. 72
  5. 11/12
  6. 4/7
  7. 5/7
  8. 11/12
  9. 2
  10. 31/30
  11. 7/8
  12. 20
  13. 1/2
  14. 5/6
  15. 8
  16. 7/6
  17. 2/3
  18. 3/4
  19. 7/8
  20. 10/11
  21. 5/6
  22. 4/5
  23. 12
  24. 3/8
  25. 3/4
  26. 6
  27. 5/8
  28. 2/5
  29. 36
  30. 2/3
  31. 1
  32. 4
  33. 10
  34. 1/5
  35. 1/4
  36. 5/9
  37. 9/11
  38. 12
  39. 4/7
  40. 24

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