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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 652 · 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: 5/11 or 1/4? (a) 1/4 (b) 5/11 (c) They are equal
  2. 2.What is 1/2 of 24? (a) 12 (b) 13 (c) 11 (d) 24
  3. 3.1/8 + 2/3 = ? (a) 3/11 (b) 19/24 (c) 3/4 (d) 5/6
  4. 4.What is 1/2 of 14? (a) 14 (b) 8 (c) 7 (d) 6
  5. 5.What is 1/5 of 20? (a) 5 (b) 16 (c) 8 (d) 4
  6. 6.What is 1/3 of 30? (a) 20 (b) 11 (c) 9 (d) 10
  7. 7.Which fraction is greater: 1/10 or 11/12? (a) They are equal (b) 1/10 (c) 11/12
  8. 8.Which fraction is greater: 4/11 or 7/8? (a) 4/11 (b) They are equal (c) 7/8
  9. 9.Which fraction is greater: 7/8 or 4/5? (a) 4/5 (b) 7/8 (c) They are equal
  10. 10.1/2 + 3/8 = ? (a) 7/8 (b) 2/5 (c) 1 (d) 3/4
  11. 11.Which fraction is greater: 5/11 or 1/3? (a) 1/3 (b) They are equal (c) 5/11
  12. 12.Which fraction is greater: 7/11 or 5/9? (a) They are equal (b) 7/11 (c) 5/9
  13. 13.Which fraction is greater: 2/5 or 5/7? (a) 5/7 (b) They are equal (c) 2/5
  14. 14.3/4 + 5/6 = ? (a) 4/5 (b) 19/12 (c) 3/2 (d) 5/3
  15. 15.1/3 + 2/3 = ? (a) 1/2 (b) 2/3 (c) 4/3 (d) 1
  16. 16.3/8 + 4/8 = ? (a) 7/8 (b) 7/16 (c) 1 (d) 3/4
  17. 17.7/8 + 1/2 = ? (a) 3/2 (b) 5/4 (c) 4/5 (d) 11/8
  18. 18.Which fraction is greater: 1/8 or 1/12? (a) They are equal (b) 1/8 (c) 1/12
  19. 19.What is 1/4 of 24? (a) 7 (b) 6 (c) 12 (d) 18
  20. 20.What is 2/5 of 50? (a) 10 (b) 20 (c) 21 (d) 30
  21. 21.What is 1/5 of 25? (a) 10 (b) 6 (c) 20 (d) 5
  22. 22.What is 4/9 of 27? (a) 15 (b) 13 (c) 12 (d) 3
  23. 23.2/3 + 2/5 = ? (a) 17/15 (b) 16/15 (c) 1/2 (d) 1
  24. 24.1/4 + 1/3 = ? (a) 2/3 (b) 2/7 (c) 7/12 (d) 1/2
  25. 25.What is 4/9 of 18? (a) 10 (b) 9 (c) 8 (d) 2
  26. 26.Which fraction is greater: 2/3 or 2/9? (a) They are equal (b) 2/9 (c) 2/3
  27. 27.Which fraction is greater: 7/11 or 3/5? (a) 7/11 (b) 3/5 (c) They are equal
  28. 28.2/5 + 6/7 = ? (a) 9/7 (b) 2/3 (c) 43/35 (d) 44/35
  29. 29.1/7 + 2/3 = ? (a) 17/21 (b) 16/21 (c) 3/10 (d) 6/7
  30. 30.What is 3/7 of 42? (a) 19 (b) 18 (c) 6 (d) 24
  31. 31.What is 3/5 of 30? (a) 24 (b) 6 (c) 12 (d) 18
  32. 32.Which fraction is greater: 5/11 or 2/3? (a) 2/3 (b) They are equal (c) 5/11
  33. 33.2/6 + 7/9 = ? (a) 19/18 (b) 10/9 (c) 3/5 (d) 7/6
  34. 34.Which fraction is greater: 5/8 or 3/5? (a) 5/8 (b) 3/5 (c) They are equal
  35. 35.1/6 + 1/3 = ? (a) 2/9 (b) 1/3 (c) 2/3 (d) 1/2
  36. 36.What is 1/5 of 30? (a) 7 (b) 24 (c) 12 (d) 6
  37. 37.Which fraction is greater: 4/11 or 3/4? (a) 4/11 (b) 3/4 (c) They are equal
  38. 38.What is 3/7 of 63? (a) 9 (b) 27 (c) 36 (d) 28
  39. 39.1/2 + 1/3 = ? (a) 1 (b) 2/3 (c) 2/5 (d) 5/6
  40. 40.Which fraction is greater: 4/5 or 6/7? (a) 6/7 (b) 4/5 (c) They are equal

Answer key

  1. 5/11
  2. 12
  3. 19/24
  4. 7
  5. 4
  6. 10
  7. 11/12
  8. 7/8
  9. 7/8
  10. 7/8
  11. 5/11
  12. 7/11
  13. 5/7
  14. 19/12
  15. 1
  16. 7/8
  17. 11/8
  18. 1/8
  19. 6
  20. 20
  21. 5
  22. 12
  23. 16/15
  24. 7/12
  25. 8
  26. 2/3
  27. 7/11
  28. 44/35
  29. 17/21
  30. 18
  31. 18
  32. 2/3
  33. 10/9
  34. 5/8
  35. 1/2
  36. 6
  37. 3/4
  38. 27
  39. 5/6
  40. 6/7

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