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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 317 · 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 1/4 of 20? (a) 15 (b) 6 (c) 5 (d) 10
  2. 2.Which fraction is greater: 1/4 or 2/3? (a) They are equal (b) 2/3 (c) 1/4
  3. 3.What is 7/8 of 96? (a) 96 (b) 12 (c) 85 (d) 84
  4. 4.What is 5/7 of 42? (a) 36 (b) 30 (c) 12 (d) 6
  5. 5.1/2 + 1/8 = ? (a) 3/4 (b) 1/5 (c) 1/2 (d) 5/8
  6. 6.What is 1/2 of 16? (a) 7 (b) 8 (c) 16 (d) 9
  7. 7.Which fraction is greater: 3/4 or 1/5? (a) 1/5 (b) They are equal (c) 3/4
  8. 8.What is 1/2 of 20? (a) 20 (b) 11 (c) 10 (d) 9
  9. 9.Which fraction is greater: 1/8 or 3/5? (a) 3/5 (b) They are equal (c) 1/8
  10. 10.Which fraction is greater: 1/6 or 1/5? (a) They are equal (b) 1/6 (c) 1/5
  11. 11.What is 1/6 of 72? (a) 24 (b) 13 (c) 60 (d) 12
  12. 12.2/3 + 2/9 = ? (a) 1 (b) 1/3 (c) 7/9 (d) 8/9
  13. 13.2/5 + 2/3 = ? (a) 17/15 (b) 1 (c) 16/15 (d) 1/2
  14. 14.Which fraction is greater: 3/4 or 3/5? (a) 3/5 (b) They are equal (c) 3/4
  15. 15.Which fraction is greater: 4/11 or 3/4? (a) They are equal (b) 4/11 (c) 3/4
  16. 16.1/5 + 1/2 = ? (a) 2/7 (b) 7/10 (c) 3/5 (d) 4/5
  17. 17.What is 1/6 of 54? (a) 45 (b) 10 (c) 18 (d) 9
  18. 18.2/4 + 6/7 = ? (a) 8/11 (b) 19/14 (c) 37/28 (d) 39/28
  19. 19.Which fraction is greater: 2/7 or 1/4? (a) 2/7 (b) They are equal (c) 1/4
  20. 20.1/3 + 1/7 = ? (a) 1/5 (b) 3/7 (c) 10/21 (d) 11/21
  21. 21.Which fraction is greater: 5/9 or 9/11? (a) 5/9 (b) 9/11 (c) They are equal
  22. 22.Which fraction is greater: 1/9 or 3/11? (a) 3/11 (b) They are equal (c) 1/9
  23. 23.What is 2/3 of 12? (a) 4 (b) 8 (c) 9 (d) 12
  24. 24.What is 2/3 of 33? (a) 33 (b) 11 (c) 22 (d) 23
  25. 25.What is 3/4 of 24? (a) 18 (b) 6 (c) 24 (d) 19
  26. 26.What is 3/5 of 10? (a) 4 (b) 6 (c) 2 (d) 8
  27. 27.3/5 + 1/6 = ? (a) 4/11 (b) 23/30 (c) 11/15 (d) 4/5
  28. 28.Which fraction is greater: 2/3 or 5/7? (a) 5/7 (b) 2/3 (c) They are equal
  29. 29.3/4 + 2/5 = ? (a) 23/20 (b) 11/10 (c) 6/5 (d) 5/9
  30. 30.Which fraction is greater: 1/3 or 5/11? (a) 5/11 (b) They are equal (c) 1/3
  31. 31.Which fraction is greater: 9/10 or 3/4? (a) 3/4 (b) 9/10 (c) They are equal
  32. 32.Which fraction is greater: 2/3 or 4/5? (a) 2/3 (b) They are equal (c) 4/5
  33. 33.1/2 + 4/8 = ? (a) 7/8 (b) 1/2 (c) 1 (d) 9/8
  34. 34.Which fraction is greater: 2/5 or 7/8? (a) 2/5 (b) They are equal (c) 7/8
  35. 35.Which fraction is greater: 7/8 or 1/9? (a) 7/8 (b) 1/9 (c) They are equal
  36. 36.3/8 + 1/4 = ? (a) 1/2 (b) 3/4 (c) 1/3 (d) 5/8
  37. 37.What is 5/9 of 72? (a) 48 (b) 32 (c) 40 (d) 8
  38. 38.1/2 + 1/2 = ? (a) 3/2 (b) 2 (c) 1/2 (d) 1
  39. 39.Which fraction is greater: 1/3 or 2/9? (a) They are equal (b) 2/9 (c) 1/3
  40. 40.Which fraction is greater: 6/7 or 10/11? (a) They are equal (b) 6/7 (c) 10/11

Answer key

  1. 5
  2. 2/3
  3. 84
  4. 30
  5. 5/8
  6. 8
  7. 3/4
  8. 10
  9. 3/5
  10. 1/5
  11. 12
  12. 8/9
  13. 16/15
  14. 3/4
  15. 3/4
  16. 7/10
  17. 9
  18. 19/14
  19. 2/7
  20. 10/21
  21. 9/11
  22. 3/11
  23. 8
  24. 22
  25. 18
  26. 6
  27. 23/30
  28. 5/7
  29. 23/20
  30. 5/11
  31. 9/10
  32. 4/5
  33. 1
  34. 7/8
  35. 7/8
  36. 5/8
  37. 40
  38. 1
  39. 1/3
  40. 10/11

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