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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 72 · 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. 1.1/3 + 1/2 = ? (a) 1 (b) 2/5 (c) 5/6 (d) 2/3
  2. 2.What is 1/2 of 24? (a) 11 (b) 13 (c) 24 (d) 12
  3. 3.4/7 + 1/3 = ? (a) 20/21 (b) 19/21 (c) 1/2 (d) 6/7
  4. 4.What is 7/8 of 16? (a) 2 (b) 14 (c) 16 (d) 15
  5. 5.Which fraction is greater: 6/11 or 9/10? (a) 9/10 (b) 6/11 (c) They are equal
  6. 6.3/7 + 2/3 = ? (a) 22/21 (b) 8/7 (c) 23/21 (d) 1/2
  7. 7.What is 1/2 of 8? (a) 4 (b) 5 (c) 3 (d) 8
  8. 8.What is 2/3 of 33? (a) 22 (b) 33 (c) 23 (d) 11
  9. 9.What is 4/5 of 15? (a) 12 (b) 15 (c) 3 (d) 13
  10. 10.What is 1/7 of 56? (a) 48 (b) 9 (c) 8 (d) 16
  11. 11.What is 1/2 of 18? (a) 18 (b) 8 (c) 10 (d) 9
  12. 12.What is 3/4 of 40? (a) 31 (b) 40 (c) 10 (d) 30
  13. 13.Which fraction is greater: 11/12 or 8/9? (a) 8/9 (b) 11/12 (c) They are equal
  14. 14.Which fraction is greater: 2/3 or 9/10? (a) They are equal (b) 2/3 (c) 9/10
  15. 15.What is 2/5 of 60? (a) 24 (b) 25 (c) 36 (d) 12
  16. 16.Which fraction is greater: 2/5 or 6/7? (a) 6/7 (b) 2/5 (c) They are equal
  17. 17.2/3 + 1/7 = ? (a) 17/21 (b) 6/7 (c) 3/10 (d) 16/21
  18. 18.Which fraction is greater: 7/8 or 2/9? (a) 2/9 (b) 7/8 (c) They are equal
  19. 19.What is 1/3 of 6? (a) 4 (b) 3 (c) 1 (d) 2
  20. 20.2/6 + 1/2 = ? (a) 5/6 (b) 3/8 (c) 1 (d) 2/3
  21. 21.Which fraction is greater: 2/5 or 5/7? (a) 5/7 (b) They are equal (c) 2/5
  22. 22.What is 1/4 of 20? (a) 10 (b) 6 (c) 5 (d) 15
  23. 23.Which fraction is greater: 5/9 or 1/4? (a) They are equal (b) 5/9 (c) 1/4
  24. 24.Which fraction is greater: 3/5 or 1/4? (a) 3/5 (b) They are equal (c) 1/4
  25. 25.Which fraction is greater: 1/5 or 2/3? (a) 2/3 (b) 1/5 (c) They are equal
  26. 26.Which fraction is greater: 8/11 or 5/9? (a) They are equal (b) 8/11 (c) 5/9
  27. 27.2/5 + 2/3 = ? (a) 17/15 (b) 16/15 (c) 1/2 (d) 1
  28. 28.3/5 + 4/6 = ? (a) 13/10 (b) 37/30 (c) 19/15 (d) 7/11
  29. 29.2/3 + 2/5 = ? (a) 16/15 (b) 1/2 (c) 17/15 (d) 1
  30. 30.2/3 + 4/8 = ? (a) 7/6 (b) 9/8 (c) 29/24 (d) 6/11
  31. 31.2/4 + 2/4 = ? (a) 5/4 (b) 1/2 (c) 3/4 (d) 1
  32. 32.Which fraction is greater: 5/11 or 2/7? (a) 5/11 (b) 2/7 (c) They are equal
  33. 33.3/6 + 1/2 = ? (a) 5/6 (b) 7/6 (c) 1 (d) 1/2
  34. 34.Which fraction is greater: 4/5 or 5/7? (a) 4/5 (b) 5/7 (c) They are equal
  35. 35.What is 2/3 of 6? (a) 2 (b) 6 (c) 4 (d) 5
  36. 36.3/6 + 1/4 = ? (a) 3/4 (b) 2/5 (c) 2/3 (d) 5/6
  37. 37.Which fraction is greater: 1/4 or 1/5? (a) 1/4 (b) 1/5 (c) They are equal
  38. 38.Which fraction is greater: 1/5 or 4/11? (a) 1/5 (b) They are equal (c) 4/11
  39. 39.What is 1/2 of 16? (a) 8 (b) 16 (c) 7 (d) 9
  40. 40.What is 3/5 of 25? (a) 15 (b) 20 (c) 5 (d) 10

Answer key

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

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