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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 175 · 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.What is 1/6 of 42? (a) 7 (b) 8 (c) 14 (d) 35
  2. 2.What is 1/2 of 24? (a) 11 (b) 24 (c) 13 (d) 12
  3. 3.1/5 + 2/6 = ? (a) 17/30 (b) 8/15 (c) 1/2 (d) 3/11
  4. 4.Which fraction is greater: 1/6 or 3/4? (a) They are equal (b) 1/6 (c) 3/4
  5. 5.2/7 + 1/2 = ? (a) 5/7 (b) 1/3 (c) 11/14 (d) 6/7
  6. 6.1/3 + 8/9 = ? (a) 3/4 (b) 4/3 (c) 10/9 (d) 11/9
  7. 7.Which fraction is greater: 1/6 or 5/9? (a) 5/9 (b) They are equal (c) 1/6
  8. 8.What is 1/3 of 18? (a) 7 (b) 5 (c) 6 (d) 12
  9. 9.Which fraction is greater: 4/5 or 1/4? (a) 1/4 (b) They are equal (c) 4/5
  10. 10.1/2 + 2/4 = ? (a) 1 (b) 3/4 (c) 1/2 (d) 5/4
  11. 11.Which fraction is greater: 10/11 or 7/12? (a) 7/12 (b) 10/11 (c) They are equal
  12. 12.What is 3/5 of 25? (a) 20 (b) 15 (c) 10 (d) 5
  13. 13.What is 5/7 of 84? (a) 12 (b) 60 (c) 72 (d) 24
  14. 14.What is 1/8 of 16? (a) 14 (b) 2 (c) 4 (d) 3
  15. 15.1/2 + 2/8 = ? (a) 5/8 (b) 3/4 (c) 3/10 (d) 7/8
  16. 16.What is 1/5 of 60? (a) 13 (b) 24 (c) 12 (d) 48
  17. 17.What is 1/8 of 40? (a) 5 (b) 6 (c) 10 (d) 35
  18. 18.What is 3/8 of 24? (a) 15 (b) 9 (c) 12 (d) 3
  19. 19.What is 1/5 of 50? (a) 40 (b) 20 (c) 10 (d) 11
  20. 20.4/8 + 1/3 = ? (a) 5/6 (b) 5/11 (c) 19/24 (d) 7/8
  21. 21.Which fraction is greater: 1/6 or 1/12? (a) They are equal (b) 1/6 (c) 1/12
  22. 22.Which fraction is greater: 3/5 or 1/6? (a) 3/5 (b) 1/6 (c) They are equal
  23. 23.2/5 + 3/6 = ? (a) 5/11 (b) 14/15 (c) 13/15 (d) 9/10
  24. 24.Which fraction is greater: 4/9 or 1/4? (a) They are equal (b) 1/4 (c) 4/9
  25. 25.1/7 + 3/5 = ? (a) 5/7 (b) 26/35 (c) 27/35 (d) 1/3
  26. 26.What is 1/5 of 30? (a) 12 (b) 7 (c) 6 (d) 24
  27. 27.Which fraction is greater: 1/12 or 7/11? (a) 7/11 (b) 1/12 (c) They are equal
  28. 28.What is 1/2 of 16? (a) 9 (b) 16 (c) 7 (d) 8
  29. 29.Which fraction is greater: 9/10 or 5/9? (a) 9/10 (b) They are equal (c) 5/9
  30. 30.What is 5/9 of 63? (a) 28 (b) 7 (c) 35 (d) 42
  31. 31.Which fraction is greater: 1/3 or 4/5? (a) 4/5 (b) 1/3 (c) They are equal
  32. 32.1/5 + 2/7 = ? (a) 18/35 (b) 1/4 (c) 17/35 (d) 16/35
  33. 33.What is 1/5 of 15? (a) 3 (b) 4 (c) 12 (d) 6
  34. 34.2/3 + 7/8 = ? (a) 19/12 (b) 3/2 (c) 9/11 (d) 37/24
  35. 35.6/7 + 2/3 = ? (a) 4/5 (b) 11/7 (c) 31/21 (d) 32/21
  36. 36.What is 2/9 of 36? (a) 28 (b) 4 (c) 12 (d) 8
  37. 37.What is 5/7 of 21? (a) 6 (b) 15 (c) 3 (d) 18
  38. 38.1/3 + 1/3 = ? (a) 2/3 (b) 1 (c) 4/3 (d) 1/3
  39. 39.Which fraction is greater: 4/7 or 1/3? (a) They are equal (b) 4/7 (c) 1/3
  40. 40.Which fraction is greater: 9/10 or 1/4? (a) They are equal (b) 9/10 (c) 1/4

Answer key

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

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