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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 606 · 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. 1.3/6 + 2/9 = ? (a) 1/3 (b) 7/9 (c) 2/3 (d) 13/18
  2. 2.Which fraction is greater: 2/7 or 2/5? (a) They are equal (b) 2/7 (c) 2/5
  3. 3.5/7 + 3/4 = ? (a) 3/2 (b) 10/7 (c) 8/11 (d) 41/28
  4. 4.Which fraction is greater: 1/3 or 6/7? (a) 1/3 (b) They are equal (c) 6/7
  5. 5.Which fraction is greater: 2/3 or 3/8? (a) 2/3 (b) 3/8 (c) They are equal
  6. 6.Which fraction is greater: 1/10 or 11/12? (a) They are equal (b) 1/10 (c) 11/12
  7. 7.What is 2/5 of 45? (a) 18 (b) 19 (c) 9 (d) 27
  8. 8.1/5 + 3/5 = ? (a) 3/5 (b) 2/5 (c) 4/5 (d) 1
  9. 9.5/7 + 2/7 = ? (a) 6/7 (b) 8/7 (c) 1/2 (d) 1
  10. 10.5/8 + 1/3 = ? (a) 6/11 (b) 23/24 (c) 1 (d) 11/12
  11. 11.Which fraction is greater: 2/3 or 1/4? (a) 1/4 (b) 2/3 (c) They are equal
  12. 12.2/9 + 1/2 = ? (a) 13/18 (b) 3/11 (c) 7/9 (d) 2/3
  13. 13.Which fraction is greater: 1/6 or 2/3? (a) 1/6 (b) 2/3 (c) They are equal
  14. 14.What is 5/7 of 77? (a) 11 (b) 55 (c) 66 (d) 22
  15. 15.What is 1/3 of 30? (a) 11 (b) 10 (c) 9 (d) 20
  16. 16.What is 4/9 of 36? (a) 17 (b) 20 (c) 4 (d) 16
  17. 17.What is 3/4 of 20? (a) 20 (b) 16 (c) 5 (d) 15
  18. 18.1/2 + 2/4 = ? (a) 3/4 (b) 5/4 (c) 1/2 (d) 1
  19. 19.Which fraction is greater: 10/11 or 5/7? (a) 5/7 (b) 10/11 (c) They are equal
  20. 20.What is 2/9 of 99? (a) 22 (b) 11 (c) 33 (d) 77
  21. 21.What is 2/3 of 18? (a) 12 (b) 13 (c) 6 (d) 18
  22. 22.What is 6/7 of 77? (a) 67 (b) 66 (c) 77 (d) 11
  23. 23.Which fraction is greater: 1/5 or 1/4? (a) 1/5 (b) They are equal (c) 1/4
  24. 24.2/4 + 1/2 = ? (a) 1 (b) 5/4 (c) 3/4 (d) 1/2
  25. 25.What is 1/5 of 10? (a) 2 (b) 3 (c) 8 (d) 4
  26. 26.What is 2/3 of 30? (a) 30 (b) 10 (c) 21 (d) 20
  27. 27.1/2 + 4/6 = ? (a) 5/8 (b) 4/3 (c) 1 (d) 7/6
  28. 28.What is 4/5 of 10? (a) 9 (b) 10 (c) 8 (d) 2
  29. 29.1/3 + 4/8 = ? (a) 7/8 (b) 19/24 (c) 5/6 (d) 5/11
  30. 30.What is 1/3 of 15? (a) 4 (b) 5 (c) 6 (d) 10
  31. 31.2/3 + 1/2 = ? (a) 1 (b) 3/5 (c) 4/3 (d) 7/6
  32. 32.1/2 + 1/2 = ? (a) 1 (b) 3/2 (c) 2 (d) 1/2
  33. 33.Which fraction is greater: 5/11 or 1/5? (a) 1/5 (b) 5/11 (c) They are equal
  34. 34.Which fraction is greater: 1/4 or 1/12? (a) They are equal (b) 1/12 (c) 1/4
  35. 35.Which fraction is greater: 2/7 or 2/3? (a) 2/7 (b) They are equal (c) 2/3
  36. 36.What is 2/7 of 21? (a) 9 (b) 3 (c) 6 (d) 15
  37. 37.What is 4/7 of 56? (a) 8 (b) 32 (c) 40 (d) 24
  38. 38.1/3 + 6/9 = ? (a) 7/12 (b) 1 (c) 8/9 (d) 10/9
  39. 39.8/9 + 1/3 = ? (a) 11/9 (b) 3/4 (c) 10/9 (d) 4/3
  40. 40.Which fraction is greater: 1/7 or 7/10? (a) 1/7 (b) 7/10 (c) They are equal

Answer key

  1. 13/18
  2. 2/5
  3. 41/28
  4. 6/7
  5. 2/3
  6. 11/12
  7. 18
  8. 4/5
  9. 1
  10. 23/24
  11. 2/3
  12. 13/18
  13. 2/3
  14. 55
  15. 10
  16. 16
  17. 15
  18. 1
  19. 10/11
  20. 22
  21. 12
  22. 66
  23. 1/4
  24. 1
  25. 2
  26. 20
  27. 7/6
  28. 8
  29. 5/6
  30. 5
  31. 7/6
  32. 1
  33. 5/11
  34. 1/4
  35. 2/3
  36. 6
  37. 32
  38. 1
  39. 11/9
  40. 7/10

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