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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 466 · 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 1/5 of 25? (a) 10 (b) 6 (c) 5 (d) 20
  2. 2.Which fraction is greater: 5/8 or 2/5? (a) They are equal (b) 5/8 (c) 2/5
  3. 3.1/8 + 3/6 = ? (a) 7/12 (b) 2/3 (c) 2/7 (d) 5/8
  4. 4.5/6 + 1/5 = ? (a) 16/15 (b) 1 (c) 6/11 (d) 31/30
  5. 5.Which fraction is greater: 1/7 or 5/6? (a) 1/7 (b) They are equal (c) 5/6
  6. 6.Which fraction is greater: 5/6 or 3/10? (a) 3/10 (b) 5/6 (c) They are equal
  7. 7.Which fraction is greater: 1/11 or 5/12? (a) 1/11 (b) They are equal (c) 5/12
  8. 8.Which fraction is greater: 3/5 or 3/10? (a) They are equal (b) 3/5 (c) 3/10
  9. 9.1/2 + 3/4 = ? (a) 2/3 (b) 3/2 (c) 5/4 (d) 1
  10. 10.3/4 + 1/7 = ? (a) 6/7 (b) 4/11 (c) 25/28 (d) 13/14
  11. 11.Which fraction is greater: 5/6 or 10/11? (a) 5/6 (b) 10/11 (c) They are equal
  12. 12.4/9 + 1/4 = ? (a) 25/36 (b) 5/13 (c) 13/18 (d) 2/3
  13. 13.1/5 + 3/4 = ? (a) 9/10 (b) 19/20 (c) 4/9 (d) 1
  14. 14.What is 7/8 of 16? (a) 14 (b) 16 (c) 2 (d) 15
  15. 15.What is 1/8 of 16? (a) 2 (b) 4 (c) 14 (d) 3
  16. 16.1/3 + 2/8 = ? (a) 13/24 (b) 7/12 (c) 3/11 (d) 5/8
  17. 17.What is 2/9 of 72? (a) 24 (b) 56 (c) 16 (d) 8
  18. 18.Which fraction is greater: 1/5 or 9/11? (a) They are equal (b) 1/5 (c) 9/11
  19. 19.Which fraction is greater: 2/3 or 4/9? (a) 4/9 (b) They are equal (c) 2/3
  20. 20.Which fraction is greater: 1/6 or 3/5? (a) They are equal (b) 3/5 (c) 1/6
  21. 21.What is 1/3 of 36? (a) 24 (b) 11 (c) 13 (d) 12
  22. 22.Which fraction is greater: 6/11 or 3/10? (a) They are equal (b) 6/11 (c) 3/10
  23. 23.Which fraction is greater: 5/11 or 1/4? (a) They are equal (b) 5/11 (c) 1/4
  24. 24.Which fraction is greater: 3/4 or 3/5? (a) 3/5 (b) 3/4 (c) They are equal
  25. 25.2/4 + 2/9 = ? (a) 13/18 (b) 25/36 (c) 4/13 (d) 3/4
  26. 26.What is 7/8 of 32? (a) 32 (b) 4 (c) 29 (d) 28
  27. 27.Which fraction is greater: 2/3 or 1/5? (a) 1/5 (b) 2/3 (c) They are equal
  28. 28.Which fraction is greater: 1/9 or 2/11? (a) 2/11 (b) They are equal (c) 1/9
  29. 29.What is 1/8 of 96? (a) 13 (b) 84 (c) 24 (d) 12
  30. 30.1/3 + 2/7 = ? (a) 2/3 (b) 4/7 (c) 3/10 (d) 13/21
  31. 31.Which fraction is greater: 7/8 or 7/9? (a) 7/8 (b) 7/9 (c) They are equal
  32. 32.What is 7/8 of 72? (a) 63 (b) 9 (c) 64 (d) 72
  33. 33.What is 2/3 of 24? (a) 24 (b) 17 (c) 16 (d) 8
  34. 34.What is 4/5 of 55? (a) 11 (b) 44 (c) 45 (d) 55
  35. 35.Which fraction is greater: 1/11 or 3/8? (a) 3/8 (b) They are equal (c) 1/11
  36. 36.What is 1/3 of 24? (a) 7 (b) 8 (c) 16 (d) 9
  37. 37.4/9 + 1/3 = ? (a) 2/3 (b) 5/12 (c) 7/9 (d) 8/9
  38. 38.What is 1/2 of 14? (a) 6 (b) 8 (c) 14 (d) 7
  39. 39.1/4 + 1/2 = ? (a) 3/4 (b) 1 (c) 1/3 (d) 1/2
  40. 40.What is 2/3 of 18? (a) 13 (b) 12 (c) 6 (d) 18

Answer key

  1. 5
  2. 5/8
  3. 5/8
  4. 31/30
  5. 5/6
  6. 5/6
  7. 5/12
  8. 3/5
  9. 5/4
  10. 25/28
  11. 10/11
  12. 25/36
  13. 19/20
  14. 14
  15. 2
  16. 7/12
  17. 16
  18. 9/11
  19. 2/3
  20. 3/5
  21. 12
  22. 6/11
  23. 5/11
  24. 3/4
  25. 13/18
  26. 28
  27. 2/3
  28. 2/11
  29. 12
  30. 13/21
  31. 7/8
  32. 63
  33. 16
  34. 44
  35. 3/8
  36. 8
  37. 7/9
  38. 7
  39. 3/4
  40. 12

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