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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 486 · 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: 7/9 or 1/8? (a) 7/9 (b) They are equal (c) 1/8
  2. 2.Which fraction is greater: 2/3 or 1/10? (a) They are equal (b) 1/10 (c) 2/3
  3. 3.Which fraction is greater: 3/4 or 5/8? (a) 5/8 (b) 3/4 (c) They are equal
  4. 4.What is 1/7 of 28? (a) 4 (b) 24 (c) 5 (d) 8
  5. 5.What is 2/9 of 81? (a) 9 (b) 27 (c) 18 (d) 63
  6. 6.2/9 + 6/9 = ? (a) 8/9 (b) 1 (c) 4/9 (d) 7/9
  7. 7.1/2 + 2/7 = ? (a) 11/14 (b) 5/7 (c) 6/7 (d) 1/3
  8. 8.What is 2/5 of 50? (a) 10 (b) 21 (c) 20 (d) 30
  9. 9.Which fraction is greater: 1/4 or 5/12? (a) 1/4 (b) 5/12 (c) They are equal
  10. 10.1/3 + 1/2 = ? (a) 1 (b) 2/3 (c) 2/5 (d) 5/6
  11. 11.1/2 + 2/4 = ? (a) 3/4 (b) 1 (c) 5/4 (d) 1/2
  12. 12.Which fraction is greater: 2/3 or 1/5? (a) 1/5 (b) They are equal (c) 2/3
  13. 13.Which fraction is greater: 3/4 or 2/5? (a) They are equal (b) 2/5 (c) 3/4
  14. 14.1/3 + 7/9 = ? (a) 1 (b) 11/9 (c) 2/3 (d) 10/9
  15. 15.1/4 + 4/5 = ? (a) 21/20 (b) 5/9 (c) 11/10 (d) 1
  16. 16.What is 5/7 of 28? (a) 4 (b) 8 (c) 24 (d) 20
  17. 17.What is 2/7 of 49? (a) 21 (b) 14 (c) 7 (d) 35
  18. 18.What is 1/2 of 14? (a) 14 (b) 7 (c) 8 (d) 6
  19. 19.What is 2/9 of 108? (a) 84 (b) 12 (c) 36 (d) 24
  20. 20.Which fraction is greater: 3/11 or 4/5? (a) They are equal (b) 3/11 (c) 4/5
  21. 21.Which fraction is greater: 3/7 or 1/3? (a) 3/7 (b) They are equal (c) 1/3
  22. 22.What is 4/7 of 42? (a) 6 (b) 18 (c) 24 (d) 30
  23. 23.What is 1/3 of 30? (a) 9 (b) 10 (c) 20 (d) 11
  24. 24.2/3 + 1/5 = ? (a) 3/8 (b) 13/15 (c) 14/15 (d) 4/5
  25. 25.Which fraction is greater: 1/11 or 1/6? (a) They are equal (b) 1/6 (c) 1/11
  26. 26.Which fraction is greater: 1/6 or 9/10? (a) 1/6 (b) They are equal (c) 9/10
  27. 27.1/9 + 1/2 = ? (a) 11/18 (b) 2/11 (c) 2/3 (d) 5/9
  28. 28.5/7 + 2/3 = ? (a) 4/3 (b) 7/10 (c) 29/21 (d) 10/7
  29. 29.1/4 + 8/9 = ? (a) 9/13 (b) 7/6 (c) 41/36 (d) 10/9
  30. 30.Which fraction is greater: 6/11 or 3/8? (a) 3/8 (b) They are equal (c) 6/11
  31. 31.1/5 + 1/5 = ? (a) 1/5 (b) 3/5 (c) 2/5 (d) 4/5
  32. 32.What is 2/5 of 10? (a) 6 (b) 2 (c) 5 (d) 4
  33. 33.Which fraction is greater: 5/6 or 4/5? (a) They are equal (b) 4/5 (c) 5/6
  34. 34.3/4 + 1/9 = ? (a) 8/9 (b) 31/36 (c) 5/6 (d) 4/13
  35. 35.2/4 + 4/6 = ? (a) 5/4 (b) 3/5 (c) 13/12 (d) 7/6
  36. 36.What is 5/7 of 21? (a) 18 (b) 6 (c) 3 (d) 15
  37. 37.1/2 + 5/9 = ? (a) 10/9 (b) 6/11 (c) 1 (d) 19/18
  38. 38.1/2 + 2/6 = ? (a) 2/3 (b) 1 (c) 3/8 (d) 5/6
  39. 39.1/7 + 1/5 = ? (a) 1/6 (b) 11/35 (c) 12/35 (d) 13/35
  40. 40.Which fraction is greater: 4/9 or 6/7? (a) They are equal (b) 4/9 (c) 6/7

Answer key

  1. 7/9
  2. 2/3
  3. 3/4
  4. 4
  5. 18
  6. 8/9
  7. 11/14
  8. 20
  9. 5/12
  10. 5/6
  11. 1
  12. 2/3
  13. 3/4
  14. 10/9
  15. 21/20
  16. 20
  17. 14
  18. 7
  19. 24
  20. 4/5
  21. 3/7
  22. 24
  23. 10
  24. 13/15
  25. 1/6
  26. 9/10
  27. 11/18
  28. 29/21
  29. 41/36
  30. 6/11
  31. 2/5
  32. 4
  33. 5/6
  34. 31/36
  35. 7/6
  36. 15
  37. 19/18
  38. 5/6
  39. 12/35
  40. 6/7

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