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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 975 · 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: 1/7 or 9/10? (a) They are equal (b) 9/10 (c) 1/7
  2. 2.4/7 + 1/2 = ? (a) 8/7 (b) 1 (c) 5/9 (d) 15/14
  3. 3.1/3 + 6/7 = ? (a) 7/10 (b) 25/21 (c) 26/21 (d) 8/7
  4. 4.Which fraction is greater: 1/5 or 8/11? (a) 8/11 (b) They are equal (c) 1/5
  5. 5.Which fraction is greater: 2/5 or 1/3? (a) 2/5 (b) 1/3 (c) They are equal
  6. 6.What is 1/7 of 56? (a) 9 (b) 48 (c) 16 (d) 8
  7. 7.What is 1/2 of 8? (a) 3 (b) 4 (c) 8 (d) 5
  8. 8.What is 3/4 of 16? (a) 4 (b) 16 (c) 12 (d) 13
  9. 9.2/9 + 2/3 = ? (a) 1 (b) 1/3 (c) 7/9 (d) 8/9
  10. 10.1/3 + 5/8 = ? (a) 6/11 (b) 23/24 (c) 11/12 (d) 1
  11. 11.1/9 + 3/4 = ? (a) 8/9 (b) 4/13 (c) 31/36 (d) 5/6
  12. 12.5/7 + 2/5 = ? (a) 39/35 (b) 7/12 (c) 38/35 (d) 8/7
  13. 13.4/6 + 8/9 = ? (a) 3/2 (b) 29/18 (c) 4/5 (d) 14/9
  14. 14.8/9 + 1/3 = ? (a) 4/3 (b) 10/9 (c) 3/4 (d) 11/9
  15. 15.Which fraction is greater: 1/11 or 3/7? (a) 1/11 (b) They are equal (c) 3/7
  16. 16.What is 5/7 of 35? (a) 10 (b) 30 (c) 5 (d) 25
  17. 17.Which fraction is greater: 1/7 or 3/5? (a) They are equal (b) 3/5 (c) 1/7
  18. 18.Which fraction is greater: 1/8 or 1/3? (a) 1/8 (b) 1/3 (c) They are equal
  19. 19.What is 1/5 of 55? (a) 12 (b) 44 (c) 11 (d) 22
  20. 20.What is 2/7 of 70? (a) 10 (b) 20 (c) 30 (d) 50
  21. 21.What is 3/7 of 77? (a) 44 (b) 11 (c) 34 (d) 33
  22. 22.1/2 + 1/8 = ? (a) 1/2 (b) 5/8 (c) 3/4 (d) 1/5
  23. 23.What is 1/4 of 28? (a) 14 (b) 8 (c) 7 (d) 21
  24. 24.Which fraction is greater: 1/10 or 4/5? (a) 4/5 (b) They are equal (c) 1/10
  25. 25.2/3 + 5/7 = ? (a) 7/10 (b) 4/3 (c) 10/7 (d) 29/21
  26. 26.Which fraction is greater: 4/9 or 1/5? (a) They are equal (b) 4/9 (c) 1/5
  27. 27.Which fraction is greater: 3/5 or 3/4? (a) 3/4 (b) They are equal (c) 3/5
  28. 28.Which fraction is greater: 7/9 or 1/6? (a) 1/6 (b) They are equal (c) 7/9
  29. 29.What is 2/3 of 9? (a) 6 (b) 9 (c) 7 (d) 3
  30. 30.What is 1/3 of 12? (a) 3 (b) 4 (c) 8 (d) 5
  31. 31.What is 3/5 of 35? (a) 14 (b) 7 (c) 28 (d) 21
  32. 32.Which fraction is greater: 4/5 or 5/8? (a) 4/5 (b) 5/8 (c) They are equal
  33. 33.Which fraction is greater: 4/7 or 11/12? (a) They are equal (b) 11/12 (c) 4/7
  34. 34.1/4 + 3/4 = ? (a) 3/4 (b) 1 (c) 1/2 (d) 5/4
  35. 35.Which fraction is greater: 4/9 or 4/7? (a) 4/9 (b) They are equal (c) 4/7
  36. 36.What is 1/3 of 27? (a) 10 (b) 9 (c) 18 (d) 8
  37. 37.1/2 + 4/9 = ? (a) 5/11 (b) 8/9 (c) 17/18 (d) 1
  38. 38.1/2 + 2/6 = ? (a) 1 (b) 3/8 (c) 2/3 (d) 5/6
  39. 39.Which fraction is greater: 1/10 or 2/3? (a) 2/3 (b) 1/10 (c) They are equal
  40. 40.1/5 + 4/6 = ? (a) 5/11 (b) 13/15 (c) 5/6 (d) 9/10

Answer key

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

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