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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 753 · 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: 1/11 or 2/3? (a) They are equal (b) 1/11 (c) 2/3
  2. 2.What is 1/4 of 48? (a) 12 (b) 13 (c) 36 (d) 24
  3. 3.1/2 + 2/3 = ? (a) 7/6 (b) 4/3 (c) 1 (d) 3/5
  4. 4.1/6 + 7/8 = ? (a) 1 (b) 25/24 (c) 4/7 (d) 13/12
  5. 5.Which fraction is greater: 1/5 or 7/10? (a) 1/5 (b) They are equal (c) 7/10
  6. 6.4/5 + 1/3 = ? (a) 5/8 (b) 6/5 (c) 17/15 (d) 16/15
  7. 7.1/5 + 4/5 = ? (a) 4/5 (b) 6/5 (c) 1 (d) 1/2
  8. 8.What is 8/9 of 18? (a) 2 (b) 17 (c) 18 (d) 16
  9. 9.Which fraction is greater: 1/7 or 2/11? (a) They are equal (b) 1/7 (c) 2/11
  10. 10.Which fraction is greater: 7/11 or 1/3? (a) 7/11 (b) They are equal (c) 1/3
  11. 11.Which fraction is greater: 7/10 or 3/5? (a) 3/5 (b) They are equal (c) 7/10
  12. 12.Which fraction is greater: 1/6 or 4/7? (a) 1/6 (b) They are equal (c) 4/7
  13. 13.1/7 + 1/3 = ? (a) 11/21 (b) 1/5 (c) 3/7 (d) 10/21
  14. 14.Which fraction is greater: 5/11 or 3/4? (a) 3/4 (b) They are equal (c) 5/11
  15. 15.Which fraction is greater: 1/3 or 1/5? (a) They are equal (b) 1/3 (c) 1/5
  16. 16.Which fraction is greater: 1/7 or 7/9? (a) 7/9 (b) 1/7 (c) They are equal
  17. 17.3/6 + 2/6 = ? (a) 5/12 (b) 2/3 (c) 5/6 (d) 1
  18. 18.1/4 + 1/5 = ? (a) 1/2 (b) 2/5 (c) 2/9 (d) 9/20
  19. 19.What is 2/3 of 27? (a) 9 (b) 19 (c) 27 (d) 18
  20. 20.Which fraction is greater: 3/10 or 3/4? (a) They are equal (b) 3/10 (c) 3/4
  21. 21.1/2 + 3/4 = ? (a) 1 (b) 3/2 (c) 5/4 (d) 2/3
  22. 22.What is 4/9 of 45? (a) 20 (b) 5 (c) 25 (d) 21
  23. 23.3/6 + 3/5 = ? (a) 16/15 (b) 17/15 (c) 6/11 (d) 11/10
  24. 24.What is 1/5 of 10? (a) 4 (b) 3 (c) 2 (d) 8
  25. 25.Which fraction is greater: 1/3 or 7/10? (a) They are equal (b) 7/10 (c) 1/3
  26. 26.2/7 + 2/3 = ? (a) 2/5 (b) 19/21 (c) 1 (d) 20/21
  27. 27.What is 1/7 of 70? (a) 10 (b) 11 (c) 20 (d) 60
  28. 28.1/4 + 2/5 = ? (a) 3/5 (b) 13/20 (c) 7/10 (d) 1/3
  29. 29.4/7 + 3/7 = ? (a) 6/7 (b) 1 (c) 1/2 (d) 8/7
  30. 30.Which fraction is greater: 3/7 or 7/12? (a) They are equal (b) 7/12 (c) 3/7
  31. 31.Which fraction is greater: 9/10 or 2/3? (a) They are equal (b) 2/3 (c) 9/10
  32. 32.What is 1/5 of 15? (a) 3 (b) 6 (c) 12 (d) 4
  33. 33.What is 3/4 of 48? (a) 48 (b) 37 (c) 36 (d) 12
  34. 34.What is 1/2 of 10? (a) 10 (b) 6 (c) 5 (d) 4
  35. 35.1/2 + 1/3 = ? (a) 2/3 (b) 1 (c) 2/5 (d) 5/6
  36. 36.What is 1/2 of 24? (a) 11 (b) 12 (c) 13 (d) 24
  37. 37.What is 2/3 of 30? (a) 10 (b) 20 (c) 30 (d) 21
  38. 38.What is 2/3 of 24? (a) 16 (b) 17 (c) 8 (d) 24
  39. 39.2/6 + 2/4 = ? (a) 2/5 (b) 3/4 (c) 11/12 (d) 5/6
  40. 40.What is 5/6 of 72? (a) 60 (b) 61 (c) 12 (d) 72

Answer key

  1. 2/3
  2. 12
  3. 7/6
  4. 25/24
  5. 7/10
  6. 17/15
  7. 1
  8. 16
  9. 2/11
  10. 7/11
  11. 7/10
  12. 4/7
  13. 10/21
  14. 3/4
  15. 1/3
  16. 7/9
  17. 5/6
  18. 9/20
  19. 18
  20. 3/4
  21. 5/4
  22. 20
  23. 11/10
  24. 2
  25. 7/10
  26. 20/21
  27. 10
  28. 13/20
  29. 1
  30. 7/12
  31. 9/10
  32. 3
  33. 36
  34. 5
  35. 5/6
  36. 12
  37. 20
  38. 16
  39. 5/6
  40. 60

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