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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 733 · 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 3/7 of 49? (a) 7 (b) 21 (c) 28 (d) 22
  2. 2.3/4 + 3/5 = ? (a) 13/10 (b) 27/20 (c) 7/5 (d) 2/3
  3. 3.Which fraction is greater: 2/5 or 2/3? (a) 2/3 (b) They are equal (c) 2/5
  4. 4.2/4 + 3/4 = ? (a) 1 (b) 5/4 (c) 5/8 (d) 3/2
  5. 5.Which fraction is greater: 2/11 or 1/6? (a) 1/6 (b) 2/11 (c) They are equal
  6. 6.2/3 + 3/5 = ? (a) 5/8 (b) 4/3 (c) 19/15 (d) 6/5
  7. 7.What is 7/8 of 32? (a) 29 (b) 32 (c) 4 (d) 28
  8. 8.1/4 + 3/5 = ? (a) 4/5 (b) 9/10 (c) 4/9 (d) 17/20
  9. 9.Which fraction is greater: 2/5 or 1/8? (a) 1/8 (b) They are equal (c) 2/5
  10. 10.Which fraction is greater: 2/3 or 3/5? (a) 2/3 (b) 3/5 (c) They are equal
  11. 11.What is 1/3 of 9? (a) 4 (b) 2 (c) 3 (d) 6
  12. 12.What is 1/2 of 14? (a) 6 (b) 8 (c) 14 (d) 7
  13. 13.What is 1/8 of 16? (a) 14 (b) 4 (c) 3 (d) 2
  14. 14.1/5 + 3/5 = ? (a) 2/5 (b) 3/5 (c) 4/5 (d) 1
  15. 15.What is 3/7 of 28? (a) 12 (b) 16 (c) 13 (d) 4
  16. 16.Which fraction is greater: 1/5 or 5/11? (a) 5/11 (b) They are equal (c) 1/5
  17. 17.Which fraction is greater: 1/7 or 1/4? (a) They are equal (b) 1/4 (c) 1/7
  18. 18.Which fraction is greater: 9/10 or 1/6? (a) 9/10 (b) 1/6 (c) They are equal
  19. 19.What is 8/9 of 72? (a) 8 (b) 64 (c) 65 (d) 72
  20. 20.Which fraction is greater: 8/9 or 2/5? (a) They are equal (b) 2/5 (c) 8/9
  21. 21.1/2 + 2/6 = ? (a) 5/6 (b) 1 (c) 3/8 (d) 2/3
  22. 22.What is 1/2 of 12? (a) 6 (b) 12 (c) 7 (d) 5
  23. 23.Which fraction is greater: 1/4 or 3/7? (a) They are equal (b) 3/7 (c) 1/4
  24. 24.What is 1/8 of 72? (a) 63 (b) 18 (c) 9 (d) 10
  25. 25.2/3 + 1/5 = ? (a) 14/15 (b) 4/5 (c) 3/8 (d) 13/15
  26. 26.What is 1/2 of 18? (a) 18 (b) 8 (c) 10 (d) 9
  27. 27.1/6 + 6/8 = ? (a) 1/2 (b) 11/12 (c) 23/24 (d) 7/8
  28. 28.Which fraction is greater: 3/10 or 10/11? (a) 10/11 (b) 3/10 (c) They are equal
  29. 29.Which fraction is greater: 1/4 or 5/11? (a) 1/4 (b) 5/11 (c) They are equal
  30. 30.4/5 + 1/2 = ? (a) 6/5 (b) 5/7 (c) 13/10 (d) 7/5
  31. 31.5/7 + 1/4 = ? (a) 27/28 (b) 6/11 (c) 13/14 (d) 1
  32. 32.What is 4/5 of 20? (a) 20 (b) 17 (c) 16 (d) 4
  33. 33.2/5 + 5/7 = ? (a) 7/12 (b) 8/7 (c) 38/35 (d) 39/35
  34. 34.What is 1/5 of 50? (a) 11 (b) 20 (c) 10 (d) 40
  35. 35.Which fraction is greater: 7/10 or 1/6? (a) 7/10 (b) They are equal (c) 1/6
  36. 36.Which fraction is greater: 11/12 or 3/4? (a) 11/12 (b) 3/4 (c) They are equal
  37. 37.What is 2/3 of 18? (a) 13 (b) 6 (c) 18 (d) 12
  38. 38.Which fraction is greater: 3/4 or 1/3? (a) 1/3 (b) 3/4 (c) They are equal
  39. 39.What is 5/7 of 56? (a) 16 (b) 8 (c) 48 (d) 40
  40. 40.Which fraction is greater: 9/10 or 3/5? (a) 3/5 (b) 9/10 (c) They are equal

Answer key

  1. 21
  2. 27/20
  3. 2/3
  4. 5/4
  5. 2/11
  6. 19/15
  7. 28
  8. 17/20
  9. 2/5
  10. 2/3
  11. 3
  12. 7
  13. 2
  14. 4/5
  15. 12
  16. 5/11
  17. 1/4
  18. 9/10
  19. 64
  20. 8/9
  21. 5/6
  22. 6
  23. 3/7
  24. 9
  25. 13/15
  26. 9
  27. 11/12
  28. 10/11
  29. 5/11
  30. 13/10
  31. 27/28
  32. 16
  33. 39/35
  34. 10
  35. 7/10
  36. 11/12
  37. 12
  38. 3/4
  39. 40
  40. 9/10

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