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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 600 · 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. 1.1/2 + 4/6 = ? (a) 5/8 (b) 7/6 (c) 1 (d) 4/3
  2. 2.Which fraction is greater: 8/9 or 1/7? (a) 8/9 (b) 1/7 (c) They are equal
  3. 3.Which fraction is greater: 1/8 or 1/4? (a) 1/4 (b) 1/8 (c) They are equal
  4. 4.2/5 + 3/4 = ? (a) 5/9 (b) 23/20 (c) 6/5 (d) 11/10
  5. 5.Which fraction is greater: 3/7 or 5/12? (a) 3/7 (b) They are equal (c) 5/12
  6. 6.Which fraction is greater: 2/7 or 2/11? (a) 2/11 (b) 2/7 (c) They are equal
  7. 7.Which fraction is greater: 2/7 or 4/9? (a) 2/7 (b) 4/9 (c) They are equal
  8. 8.Which fraction is greater: 4/5 or 2/3? (a) They are equal (b) 2/3 (c) 4/5
  9. 9.2/7 + 3/7 = ? (a) 4/7 (b) 6/7 (c) 5/7 (d) 5/14
  10. 10.Which fraction is greater: 3/4 or 1/5? (a) 3/4 (b) 1/5 (c) They are equal
  11. 11.What is 1/2 of 20? (a) 9 (b) 11 (c) 10 (d) 20
  12. 12.Which fraction is greater: 2/3 or 1/5? (a) 1/5 (b) 2/3 (c) They are equal
  13. 13.What is 1/2 of 22? (a) 10 (b) 12 (c) 11 (d) 22
  14. 14.Which fraction is greater: 4/11 or 4/9? (a) 4/11 (b) 4/9 (c) They are equal
  15. 15.Which fraction is greater: 6/7 or 2/11? (a) 6/7 (b) 2/11 (c) They are equal
  16. 16.What is 2/5 of 45? (a) 9 (b) 18 (c) 27 (d) 19
  17. 17.2/7 + 1/2 = ? (a) 11/14 (b) 5/7 (c) 1/3 (d) 6/7
  18. 18.Which fraction is greater: 5/12 or 3/11? (a) 5/12 (b) They are equal (c) 3/11
  19. 19.2/4 + 3/5 = ? (a) 5/9 (b) 21/20 (c) 23/20 (d) 11/10
  20. 20.What is 5/9 of 90? (a) 60 (b) 50 (c) 40 (d) 10
  21. 21.1/9 + 2/3 = ? (a) 2/3 (b) 8/9 (c) 7/9 (d) 1/4
  22. 22.1/3 + 3/5 = ? (a) 1/2 (b) 1 (c) 13/15 (d) 14/15
  23. 23.Which fraction is greater: 2/5 or 2/11? (a) 2/11 (b) They are equal (c) 2/5
  24. 24.2/3 + 1/2 = ? (a) 3/5 (b) 4/3 (c) 1 (d) 7/6
  25. 25.2/4 + 1/6 = ? (a) 3/10 (b) 2/3 (c) 3/4 (d) 7/12
  26. 26.3/8 + 3/4 = ? (a) 5/4 (b) 1/2 (c) 9/8 (d) 1
  27. 27.What is 2/3 of 21? (a) 21 (b) 7 (c) 14 (d) 15
  28. 28.Which fraction is greater: 7/9 or 5/7? (a) They are equal (b) 5/7 (c) 7/9
  29. 29.5/7 + 1/3 = ? (a) 3/5 (b) 23/21 (c) 1 (d) 22/21
  30. 30.Which fraction is greater: 7/12 or 8/9? (a) 8/9 (b) 7/12 (c) They are equal
  31. 31.What is 3/4 of 24? (a) 24 (b) 18 (c) 19 (d) 6
  32. 32.1/2 + 2/4 = ? (a) 5/4 (b) 1/2 (c) 3/4 (d) 1
  33. 33.Which fraction is greater: 3/4 or 1/3? (a) They are equal (b) 1/3 (c) 3/4
  34. 34.What is 1/2 of 18? (a) 18 (b) 10 (c) 9 (d) 8
  35. 35.Which fraction is greater: 4/5 or 1/4? (a) They are equal (b) 4/5 (c) 1/4
  36. 36.1/7 + 2/4 = ? (a) 19/28 (b) 17/28 (c) 3/11 (d) 9/14
  37. 37.1/5 + 1/3 = ? (a) 3/5 (b) 8/15 (c) 1/4 (d) 7/15
  38. 38.Which fraction is greater: 5/7 or 10/11? (a) 5/7 (b) They are equal (c) 10/11
  39. 39.Which fraction is greater: 1/5 or 2/3? (a) They are equal (b) 2/3 (c) 1/5
  40. 40.4/5 + 2/3 = ? (a) 7/5 (b) 22/15 (c) 3/4 (d) 23/15

Answer key

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

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