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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 36 · 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: 3/8 or 1/3? (a) They are equal (b) 3/8 (c) 1/3
  2. 2.Which fraction is greater: 2/5 or 2/3? (a) 2/5 (b) They are equal (c) 2/3
  3. 3.Which fraction is greater: 3/8 or 1/10? (a) They are equal (b) 3/8 (c) 1/10
  4. 4.Which fraction is greater: 9/10 or 4/9? (a) 9/10 (b) They are equal (c) 4/9
  5. 5.Which fraction is greater: 2/9 or 1/6? (a) 2/9 (b) They are equal (c) 1/6
  6. 6.What is 1/2 of 8? (a) 4 (b) 3 (c) 5 (d) 8
  7. 7.Which fraction is greater: 5/8 or 1/5? (a) They are equal (b) 5/8 (c) 1/5
  8. 8.What is 2/9 of 81? (a) 27 (b) 63 (c) 9 (d) 18
  9. 9.Which fraction is greater: 7/9 or 2/7? (a) They are equal (b) 2/7 (c) 7/9
  10. 10.Which fraction is greater: 11/12 or 4/7? (a) They are equal (b) 4/7 (c) 11/12
  11. 11.What is 1/2 of 10? (a) 5 (b) 6 (c) 4 (d) 10
  12. 12.Which fraction is greater: 1/7 or 2/3? (a) 2/3 (b) They are equal (c) 1/7
  13. 13.Which fraction is greater: 2/5 or 2/11? (a) 2/11 (b) They are equal (c) 2/5
  14. 14.Which fraction is greater: 1/9 or 3/5? (a) 1/9 (b) They are equal (c) 3/5
  15. 15.Which fraction is greater: 2/5 or 1/4? (a) 1/4 (b) 2/5 (c) They are equal
  16. 16.What is 2/5 of 50? (a) 21 (b) 20 (c) 10 (d) 30
  17. 17.Which fraction is greater: 7/9 or 2/3? (a) 7/9 (b) 2/3 (c) They are equal
  18. 18.Which fraction is greater: 2/3 or 10/11? (a) They are equal (b) 2/3 (c) 10/11
  19. 19.6/7 + 6/7 = ? (a) 6/7 (b) 13/7 (c) 11/7 (d) 12/7
  20. 20.What is 2/7 of 14? (a) 6 (b) 4 (c) 10 (d) 2
  21. 21.What is 4/5 of 10? (a) 10 (b) 2 (c) 9 (d) 8
  22. 22.1/4 + 3/7 = ? (a) 5/7 (b) 4/11 (c) 19/28 (d) 9/14
  23. 23.What is 8/9 of 81? (a) 9 (b) 72 (c) 81 (d) 73
  24. 24.Which fraction is greater: 1/3 or 2/9? (a) 2/9 (b) They are equal (c) 1/3
  25. 25.What is 1/5 of 45? (a) 9 (b) 10 (c) 36 (d) 18
  26. 26.Which fraction is greater: 2/3 or 2/5? (a) 2/3 (b) 2/5 (c) They are equal
  27. 27.What is 6/7 of 49? (a) 42 (b) 43 (c) 49 (d) 7
  28. 28.Which fraction is greater: 1/3 or 3/10? (a) 3/10 (b) 1/3 (c) They are equal
  29. 29.Which fraction is greater: 1/8 or 4/5? (a) 4/5 (b) 1/8 (c) They are equal
  30. 30.Which fraction is greater: 1/5 or 2/7? (a) 2/7 (b) 1/5 (c) They are equal
  31. 31.1/2 + 3/6 = ? (a) 5/6 (b) 1 (c) 1/2 (d) 7/6
  32. 32.2/6 + 5/8 = ? (a) 11/12 (b) 1 (c) 23/24 (d) 1/2
  33. 33.What is 4/9 of 18? (a) 9 (b) 10 (c) 8 (d) 2
  34. 34.What is 3/5 of 30? (a) 12 (b) 6 (c) 24 (d) 18
  35. 35.Which fraction is greater: 3/8 or 3/4? (a) They are equal (b) 3/8 (c) 3/4
  36. 36.7/9 + 2/9 = ? (a) 1/2 (b) 1 (c) 10/9 (d) 8/9
  37. 37.Which fraction is greater: 1/3 or 3/4? (a) 1/3 (b) 3/4 (c) They are equal
  38. 38.1/3 + 1/7 = ? (a) 10/21 (b) 11/21 (c) 3/7 (d) 1/5
  39. 39.2/4 + 1/2 = ? (a) 1/2 (b) 3/4 (c) 1 (d) 5/4
  40. 40.What is 3/5 of 50? (a) 20 (b) 30 (c) 10 (d) 40

Answer key

  1. 3/8
  2. 2/3
  3. 3/8
  4. 9/10
  5. 2/9
  6. 4
  7. 5/8
  8. 18
  9. 7/9
  10. 11/12
  11. 5
  12. 2/3
  13. 2/5
  14. 3/5
  15. 2/5
  16. 20
  17. 7/9
  18. 10/11
  19. 12/7
  20. 4
  21. 8
  22. 19/28
  23. 72
  24. 1/3
  25. 9
  26. 2/3
  27. 42
  28. 1/3
  29. 4/5
  30. 2/7
  31. 1
  32. 23/24
  33. 8
  34. 18
  35. 3/4
  36. 1
  37. 3/4
  38. 10/21
  39. 1
  40. 30

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