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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 570 · 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. 1.1/3 + 5/6 = ? (a) 2/3 (b) 4/3 (c) 7/6 (d) 1
  2. 2.What is 1/3 of 15? (a) 10 (b) 6 (c) 4 (d) 5
  3. 3.What is 1/4 of 36? (a) 18 (b) 9 (c) 10 (d) 27
  4. 4.Which fraction is greater: 1/5 or 1/3? (a) 1/3 (b) They are equal (c) 1/5
  5. 5.2/5 + 2/5 = ? (a) 1 (b) 2/5 (c) 4/5 (d) 3/5
  6. 6.What is 4/5 of 10? (a) 2 (b) 9 (c) 10 (d) 8
  7. 7.Which fraction is greater: 1/4 or 4/5? (a) They are equal (b) 4/5 (c) 1/4
  8. 8.5/6 + 1/3 = ? (a) 2/3 (b) 4/3 (c) 1 (d) 7/6
  9. 9.What is 1/2 of 20? (a) 10 (b) 11 (c) 20 (d) 9
  10. 10.Which fraction is greater: 1/3 or 6/7? (a) 6/7 (b) 1/3 (c) They are equal
  11. 11.Which fraction is greater: 2/11 or 2/3? (a) 2/11 (b) They are equal (c) 2/3
  12. 12.Which fraction is greater: 1/3 or 1/8? (a) They are equal (b) 1/8 (c) 1/3
  13. 13.Which fraction is greater: 1/11 or 2/3? (a) 1/11 (b) 2/3 (c) They are equal
  14. 14.1/2 + 3/4 = ? (a) 2/3 (b) 3/2 (c) 5/4 (d) 1
  15. 15.Which fraction is greater: 1/6 or 1/3? (a) 1/3 (b) 1/6 (c) They are equal
  16. 16.Which fraction is greater: 1/5 or 1/6? (a) 1/6 (b) 1/5 (c) They are equal
  17. 17.Which fraction is greater: 1/3 or 5/7? (a) 5/7 (b) 1/3 (c) They are equal
  18. 18.2/6 + 1/2 = ? (a) 5/6 (b) 2/3 (c) 3/8 (d) 1
  19. 19.1/7 + 2/4 = ? (a) 17/28 (b) 9/14 (c) 19/28 (d) 3/11
  20. 20.Which fraction is greater: 8/9 or 1/10? (a) They are equal (b) 1/10 (c) 8/9
  21. 21.Which fraction is greater: 7/8 or 1/12? (a) 1/12 (b) They are equal (c) 7/8
  22. 22.Which fraction is greater: 5/6 or 1/9? (a) 1/9 (b) They are equal (c) 5/6
  23. 23.Which fraction is greater: 1/5 or 1/7? (a) 1/5 (b) 1/7 (c) They are equal
  24. 24.Which fraction is greater: 2/3 or 1/11? (a) They are equal (b) 2/3 (c) 1/11
  25. 25.Which fraction is greater: 1/10 or 2/9? (a) 2/9 (b) 1/10 (c) They are equal
  26. 26.What is 5/8 of 80? (a) 30 (b) 60 (c) 50 (d) 10
  27. 27.What is 6/7 of 84? (a) 12 (b) 72 (c) 84 (d) 73
  28. 28.2/3 + 1/3 = ? (a) 2/3 (b) 1 (c) 4/3 (d) 1/2
  29. 29.Which fraction is greater: 9/10 or 3/11? (a) They are equal (b) 9/10 (c) 3/11
  30. 30.What is 2/7 of 77? (a) 11 (b) 33 (c) 22 (d) 55
  31. 31.1/2 + 3/5 = ? (a) 1 (b) 6/5 (c) 11/10 (d) 4/7
  32. 32.What is 2/3 of 9? (a) 6 (b) 7 (c) 9 (d) 3
  33. 33.What is 3/5 of 40? (a) 24 (b) 32 (c) 16 (d) 8
  34. 34.Which fraction is greater: 1/3 or 7/8? (a) 1/3 (b) They are equal (c) 7/8
  35. 35.1/3 + 5/7 = ? (a) 1 (b) 22/21 (c) 3/5 (d) 23/21
  36. 36.What is 2/3 of 33? (a) 11 (b) 23 (c) 22 (d) 33
  37. 37.Which fraction is greater: 6/7 or 2/9? (a) They are equal (b) 2/9 (c) 6/7
  38. 38.What is 1/2 of 4? (a) 2 (b) 4 (c) 1 (d) 3
  39. 39.Which fraction is greater: 2/3 or 3/5? (a) 2/3 (b) They are equal (c) 3/5
  40. 40.What is 4/5 of 20? (a) 4 (b) 17 (c) 20 (d) 16

Answer key

  1. 7/6
  2. 5
  3. 9
  4. 1/3
  5. 4/5
  6. 8
  7. 4/5
  8. 7/6
  9. 10
  10. 6/7
  11. 2/3
  12. 1/3
  13. 2/3
  14. 5/4
  15. 1/3
  16. 1/5
  17. 5/7
  18. 5/6
  19. 9/14
  20. 8/9
  21. 7/8
  22. 5/6
  23. 1/5
  24. 2/3
  25. 2/9
  26. 50
  27. 72
  28. 1
  29. 9/10
  30. 22
  31. 11/10
  32. 6
  33. 24
  34. 7/8
  35. 22/21
  36. 22
  37. 6/7
  38. 2
  39. 2/3
  40. 16

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