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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 818 · 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: 4/5 or 1/4? (a) 1/4 (b) 4/5 (c) They are equal
  2. 2.3/5 + 3/4 = ? (a) 2/3 (b) 13/10 (c) 27/20 (d) 7/5
  3. 3.Which fraction is greater: 3/5 or 1/12? (a) 1/12 (b) They are equal (c) 3/5
  4. 4.Which fraction is greater: 1/10 or 3/8? (a) They are equal (b) 3/8 (c) 1/10
  5. 5.1/2 + 7/8 = ? (a) 11/8 (b) 5/4 (c) 3/2 (d) 4/5
  6. 6.7/8 + 6/8 = ? (a) 13/16 (b) 7/4 (c) 3/2 (d) 13/8
  7. 7.What is 3/4 of 12? (a) 3 (b) 9 (c) 12 (d) 10
  8. 8.1/3 + 1/3 = ? (a) 4/3 (b) 2/3 (c) 1/3 (d) 1
  9. 9.3/4 + 3/5 = ? (a) 13/10 (b) 2/3 (c) 7/5 (d) 27/20
  10. 10.Which fraction is greater: 1/12 or 2/7? (a) They are equal (b) 2/7 (c) 1/12
  11. 11.4/6 + 1/3 = ? (a) 7/6 (b) 1 (c) 5/9 (d) 5/6
  12. 12.Which fraction is greater: 3/8 or 1/4? (a) 1/4 (b) They are equal (c) 3/8
  13. 13.2/3 + 2/9 = ? (a) 1/3 (b) 7/9 (c) 8/9 (d) 1
  14. 14.Which fraction is greater: 3/11 or 6/7? (a) 3/11 (b) They are equal (c) 6/7
  15. 15.Which fraction is greater: 1/7 or 5/8? (a) They are equal (b) 1/7 (c) 5/8
  16. 16.1/2 + 1/4 = ? (a) 1/3 (b) 1/2 (c) 1 (d) 3/4
  17. 17.Which fraction is greater: 1/5 or 1/9? (a) They are equal (b) 1/5 (c) 1/9
  18. 18.Which fraction is greater: 1/10 or 2/3? (a) 2/3 (b) They are equal (c) 1/10
  19. 19.Which fraction is greater: 8/9 or 1/5? (a) 8/9 (b) 1/5 (c) They are equal
  20. 20.6/8 + 1/2 = ? (a) 7/10 (b) 11/8 (c) 9/8 (d) 5/4
  21. 21.What is 3/5 of 40? (a) 8 (b) 32 (c) 24 (d) 16
  22. 22.What is 1/2 of 6? (a) 2 (b) 3 (c) 6 (d) 4
  23. 23.What is 2/5 of 50? (a) 10 (b) 30 (c) 20 (d) 21
  24. 24.Which fraction is greater: 2/9 or 2/3? (a) 2/9 (b) 2/3 (c) They are equal
  25. 25.What is 5/7 of 56? (a) 48 (b) 8 (c) 16 (d) 40
  26. 26.2/3 + 4/5 = ? (a) 22/15 (b) 3/4 (c) 7/5 (d) 23/15
  27. 27.What is 1/2 of 24? (a) 24 (b) 11 (c) 12 (d) 13
  28. 28.What is 1/4 of 8? (a) 3 (b) 6 (c) 4 (d) 2
  29. 29.Which fraction is greater: 1/5 or 5/6? (a) 5/6 (b) They are equal (c) 1/5
  30. 30.5/8 + 1/6 = ? (a) 19/24 (b) 5/6 (c) 3/7 (d) 3/4
  31. 31.Which fraction is greater: 7/10 or 1/5? (a) 7/10 (b) 1/5 (c) They are equal
  32. 32.Which fraction is greater: 1/6 or 10/11? (a) They are equal (b) 10/11 (c) 1/6
  33. 33.1/4 + 3/4 = ? (a) 3/4 (b) 1/2 (c) 5/4 (d) 1
  34. 34.What is 5/9 of 81? (a) 9 (b) 36 (c) 54 (d) 45
  35. 35.What is 1/3 of 33? (a) 11 (b) 22 (c) 12 (d) 10
  36. 36.Which fraction is greater: 3/4 or 1/5? (a) They are equal (b) 3/4 (c) 1/5
  37. 37.Which fraction is greater: 1/12 or 1/3? (a) 1/3 (b) 1/12 (c) They are equal
  38. 38.Which fraction is greater: 1/11 or 1/7? (a) 1/7 (b) They are equal (c) 1/11
  39. 39.What is 1/6 of 42? (a) 8 (b) 7 (c) 14 (d) 35
  40. 40.1/2 + 2/7 = ? (a) 1/3 (b) 6/7 (c) 11/14 (d) 5/7

Answer key

  1. 4/5
  2. 27/20
  3. 3/5
  4. 3/8
  5. 11/8
  6. 13/8
  7. 9
  8. 2/3
  9. 27/20
  10. 2/7
  11. 1
  12. 3/8
  13. 8/9
  14. 6/7
  15. 5/8
  16. 3/4
  17. 1/5
  18. 2/3
  19. 8/9
  20. 5/4
  21. 24
  22. 3
  23. 20
  24. 2/3
  25. 40
  26. 22/15
  27. 12
  28. 2
  29. 5/6
  30. 19/24
  31. 7/10
  32. 10/11
  33. 1
  34. 45
  35. 11
  36. 3/4
  37. 1/3
  38. 1/7
  39. 7
  40. 11/14

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