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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 594 · 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. 1.2/3 + 6/7 = ? (a) 31/21 (b) 4/5 (c) 11/7 (d) 32/21
  2. 2.1/3 + 4/5 = ? (a) 16/15 (b) 5/8 (c) 17/15 (d) 6/5
  3. 3.What is 1/5 of 15? (a) 6 (b) 4 (c) 12 (d) 3
  4. 4.1/5 + 5/6 = ? (a) 6/11 (b) 31/30 (c) 16/15 (d) 1
  5. 5.1/3 + 2/7 = ? (a) 2/3 (b) 4/7 (c) 3/10 (d) 13/21
  6. 6.1/6 + 6/9 = ? (a) 7/15 (b) 7/9 (c) 8/9 (d) 5/6
  7. 7.3/4 + 4/5 = ? (a) 8/5 (b) 7/9 (c) 3/2 (d) 31/20
  8. 8.1/2 + 1/4 = ? (a) 3/4 (b) 1/3 (c) 1 (d) 1/2
  9. 9.What is 1/4 of 16? (a) 5 (b) 12 (c) 4 (d) 8
  10. 10.What is 3/4 of 44? (a) 11 (b) 34 (c) 44 (d) 33
  11. 11.Which fraction is greater: 1/6 or 9/10? (a) 1/6 (b) They are equal (c) 9/10
  12. 12.What is 1/2 of 8? (a) 5 (b) 3 (c) 8 (d) 4
  13. 13.What is 3/4 of 12? (a) 3 (b) 9 (c) 12 (d) 10
  14. 14.Which fraction is greater: 5/6 or 5/11? (a) 5/11 (b) 5/6 (c) They are equal
  15. 15.Which fraction is greater: 1/7 or 1/11? (a) 1/11 (b) 1/7 (c) They are equal
  16. 16.5/8 + 3/8 = ? (a) 9/8 (b) 1 (c) 7/8 (d) 1/2
  17. 17.2/8 + 2/3 = ? (a) 23/24 (b) 4/11 (c) 11/12 (d) 7/8
  18. 18.Which fraction is greater: 1/3 or 5/7? (a) They are equal (b) 1/3 (c) 5/7
  19. 19.What is 3/7 of 28? (a) 12 (b) 4 (c) 16 (d) 13
  20. 20.2/4 + 1/8 = ? (a) 1/2 (b) 5/8 (c) 3/4 (d) 1/4
  21. 21.Which fraction is greater: 1/3 or 5/6? (a) They are equal (b) 5/6 (c) 1/3
  22. 22.Which fraction is greater: 1/8 or 3/7? (a) They are equal (b) 3/7 (c) 1/8
  23. 23.1/7 + 1/2 = ? (a) 4/7 (b) 5/7 (c) 9/14 (d) 2/9
  24. 24.5/8 + 2/6 = ? (a) 23/24 (b) 1 (c) 11/12 (d) 1/2
  25. 25.1/2 + 2/8 = ? (a) 3/10 (b) 7/8 (c) 5/8 (d) 3/4
  26. 26.Which fraction is greater: 7/12 or 5/9? (a) 7/12 (b) They are equal (c) 5/9
  27. 27.2/3 + 1/3 = ? (a) 2/3 (b) 4/3 (c) 1/2 (d) 1
  28. 28.What is 4/7 of 28? (a) 16 (b) 12 (c) 20 (d) 4
  29. 29.6/8 + 6/8 = ? (a) 11/8 (b) 13/8 (c) 3/2 (d) 3/4
  30. 30.What is 2/5 of 45? (a) 19 (b) 27 (c) 18 (d) 9
  31. 31.What is 1/9 of 36? (a) 32 (b) 5 (c) 8 (d) 4
  32. 32.1/3 + 2/3 = ? (a) 4/3 (b) 2/3 (c) 1 (d) 1/2
  33. 33.Which fraction is greater: 2/3 or 1/7? (a) 2/3 (b) 1/7 (c) They are equal
  34. 34.Which fraction is greater: 2/3 or 5/12? (a) 5/12 (b) 2/3 (c) They are equal
  35. 35.1/2 + 1/2 = ? (a) 1/2 (b) 3/2 (c) 1 (d) 2
  36. 36.Which fraction is greater: 2/7 or 1/5? (a) 1/5 (b) They are equal (c) 2/7
  37. 37.Which fraction is greater: 1/5 or 1/3? (a) 1/3 (b) 1/5 (c) They are equal
  38. 38.What is 1/4 of 24? (a) 12 (b) 7 (c) 18 (d) 6
  39. 39.Which fraction is greater: 7/11 or 1/12? (a) They are equal (b) 7/11 (c) 1/12
  40. 40.1/5 + 1/3 = ? (a) 3/5 (b) 7/15 (c) 8/15 (d) 1/4

Answer key

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

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