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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 140 · 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: 1/4 or 1/9? (a) 1/4 (b) 1/9 (c) They are equal
  2. 2.Which fraction is greater: 1/9 or 1/8? (a) They are equal (b) 1/8 (c) 1/9
  3. 3.2/5 + 1/5 = ? (a) 2/5 (b) 4/5 (c) 3/5 (d) 3/10
  4. 4.Which fraction is greater: 3/11 or 1/4? (a) 3/11 (b) They are equal (c) 1/4
  5. 5.1/7 + 1/2 = ? (a) 2/9 (b) 4/7 (c) 5/7 (d) 9/14
  6. 6.What is 1/2 of 18? (a) 18 (b) 8 (c) 10 (d) 9
  7. 7.What is 2/3 of 33? (a) 23 (b) 33 (c) 22 (d) 11
  8. 8.Which fraction is greater: 1/8 or 4/5? (a) They are equal (b) 4/5 (c) 1/8
  9. 9.What is 1/2 of 22? (a) 12 (b) 22 (c) 10 (d) 11
  10. 10.2/4 + 2/5 = ? (a) 9/10 (b) 19/20 (c) 4/9 (d) 17/20
  11. 11.2/3 + 4/5 = ? (a) 22/15 (b) 7/5 (c) 23/15 (d) 3/4
  12. 12.What is 1/3 of 30? (a) 10 (b) 9 (c) 20 (d) 11
  13. 13.Which fraction is greater: 2/9 or 2/7? (a) 2/7 (b) They are equal (c) 2/9
  14. 14.What is 5/7 of 84? (a) 24 (b) 60 (c) 12 (d) 72
  15. 15.What is 6/7 of 42? (a) 42 (b) 37 (c) 6 (d) 36
  16. 16.1/7 + 3/4 = ? (a) 4/11 (b) 13/14 (c) 6/7 (d) 25/28
  17. 17.Which fraction is greater: 7/12 or 5/11? (a) 5/11 (b) They are equal (c) 7/12
  18. 18.Which fraction is greater: 3/10 or 1/4? (a) 1/4 (b) 3/10 (c) They are equal
  19. 19.What is 2/3 of 21? (a) 14 (b) 21 (c) 15 (d) 7
  20. 20.1/3 + 1/7 = ? (a) 3/7 (b) 1/5 (c) 10/21 (d) 11/21
  21. 21.Which fraction is greater: 1/9 or 8/11? (a) 8/11 (b) 1/9 (c) They are equal
  22. 22.1/8 + 5/6 = ? (a) 3/7 (b) 23/24 (c) 1 (d) 11/12
  23. 23.Which fraction is greater: 5/7 or 1/3? (a) 1/3 (b) They are equal (c) 5/7
  24. 24.Which fraction is greater: 8/11 or 5/8? (a) They are equal (b) 8/11 (c) 5/8
  25. 25.What is 3/5 of 25? (a) 15 (b) 10 (c) 5 (d) 20
  26. 26.1/2 + 6/7 = ? (a) 7/9 (b) 9/7 (c) 10/7 (d) 19/14
  27. 27.1/3 + 2/9 = ? (a) 4/9 (b) 2/3 (c) 5/9 (d) 1/4
  28. 28.Which fraction is greater: 4/9 or 7/11? (a) 7/11 (b) They are equal (c) 4/9
  29. 29.2/7 + 2/5 = ? (a) 23/35 (b) 5/7 (c) 24/35 (d) 1/3
  30. 30.5/8 + 1/2 = ? (a) 3/5 (b) 9/8 (c) 1 (d) 5/4
  31. 31.What is 3/8 of 96? (a) 48 (b) 60 (c) 12 (d) 36
  32. 32.2/4 + 1/2 = ? (a) 3/4 (b) 1/2 (c) 1 (d) 5/4
  33. 33.6/7 + 1/2 = ? (a) 10/7 (b) 9/7 (c) 7/9 (d) 19/14
  34. 34.What is 1/2 of 8? (a) 4 (b) 5 (c) 8 (d) 3
  35. 35.What is 1/4 of 48? (a) 13 (b) 36 (c) 12 (d) 24
  36. 36.1/8 + 1/3 = ? (a) 1/2 (b) 11/24 (c) 2/11 (d) 5/12
  37. 37.1/2 + 6/8 = ? (a) 11/8 (b) 5/4 (c) 9/8 (d) 7/10
  38. 38.Which fraction is greater: 2/3 or 6/11? (a) They are equal (b) 2/3 (c) 6/11
  39. 39.1/3 + 3/6 = ? (a) 2/3 (b) 4/9 (c) 1 (d) 5/6
  40. 40.What is 1/4 of 12? (a) 4 (b) 6 (c) 3 (d) 9

Answer key

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

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