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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 270 · 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. 1.4/5 + 1/3 = ? (a) 5/8 (b) 6/5 (c) 17/15 (d) 16/15
  2. 2.What is 1/4 of 16? (a) 5 (b) 4 (c) 12 (d) 8
  3. 3.1/6 + 2/3 = ? (a) 5/6 (b) 2/3 (c) 1/3 (d) 1
  4. 4.Which fraction is greater: 3/4 or 6/7? (a) They are equal (b) 3/4 (c) 6/7
  5. 5.2/8 + 6/8 = ? (a) 1 (b) 9/8 (c) 1/2 (d) 7/8
  6. 6.1/6 + 1/2 = ? (a) 2/3 (b) 1/2 (c) 1/4 (d) 5/6
  7. 7.2/8 + 7/8 = ? (a) 9/16 (b) 9/8 (c) 5/4 (d) 1
  8. 8.Which fraction is greater: 4/5 or 5/6? (a) 5/6 (b) 4/5 (c) They are equal
  9. 9.Which fraction is greater: 1/5 or 5/9? (a) They are equal (b) 1/5 (c) 5/9
  10. 10.3/9 + 1/3 = ? (a) 2/3 (b) 5/9 (c) 1/3 (d) 7/9
  11. 11.Which fraction is greater: 1/6 or 4/9? (a) 4/9 (b) They are equal (c) 1/6
  12. 12.What is 1/9 of 99? (a) 11 (b) 88 (c) 12 (d) 22
  13. 13.What is 1/2 of 6? (a) 2 (b) 3 (c) 4 (d) 6
  14. 14.Which fraction is greater: 3/4 or 1/3? (a) 1/3 (b) 3/4 (c) They are equal
  15. 15.3/4 + 1/5 = ? (a) 1 (b) 9/10 (c) 19/20 (d) 4/9
  16. 16.Which fraction is greater: 1/3 or 7/9? (a) 1/3 (b) They are equal (c) 7/9
  17. 17.Which fraction is greater: 11/12 or 3/4? (a) 3/4 (b) They are equal (c) 11/12
  18. 18.What is 2/3 of 33? (a) 11 (b) 22 (c) 33 (d) 23
  19. 19.2/3 + 1/2 = ? (a) 1 (b) 3/5 (c) 7/6 (d) 4/3
  20. 20.Which fraction is greater: 2/11 or 3/4? (a) 2/11 (b) They are equal (c) 3/4
  21. 21.1/4 + 2/3 = ? (a) 3/7 (b) 11/12 (c) 1 (d) 5/6
  22. 22.2/8 + 2/6 = ? (a) 7/12 (b) 5/8 (c) 13/24 (d) 2/7
  23. 23.What is 2/5 of 25? (a) 5 (b) 15 (c) 11 (d) 10
  24. 24.What is 3/4 of 12? (a) 12 (b) 3 (c) 9 (d) 10
  25. 25.What is 1/2 of 22? (a) 12 (b) 11 (c) 22 (d) 10
  26. 26.Which fraction is greater: 1/4 or 1/11? (a) 1/4 (b) They are equal (c) 1/11
  27. 27.Which fraction is greater: 2/7 or 5/9? (a) 2/7 (b) 5/9 (c) They are equal
  28. 28.3/4 + 1/2 = ? (a) 3/2 (b) 2/3 (c) 5/4 (d) 1
  29. 29.What is 2/3 of 36? (a) 12 (b) 36 (c) 24 (d) 25
  30. 30.Which fraction is greater: 1/3 or 1/5? (a) 1/3 (b) 1/5 (c) They are equal
  31. 31.Which fraction is greater: 3/4 or 5/12? (a) 3/4 (b) They are equal (c) 5/12
  32. 32.Which fraction is greater: 1/4 or 2/7? (a) 1/4 (b) They are equal (c) 2/7
  33. 33.Which fraction is greater: 2/3 or 7/12? (a) 7/12 (b) 2/3 (c) They are equal
  34. 34.What is 2/5 of 50? (a) 21 (b) 30 (c) 10 (d) 20
  35. 35.What is 1/3 of 24? (a) 9 (b) 16 (c) 7 (d) 8
  36. 36.1/8 + 2/3 = ? (a) 5/6 (b) 19/24 (c) 3/11 (d) 3/4
  37. 37.5/9 + 1/4 = ? (a) 6/13 (b) 5/6 (c) 29/36 (d) 7/9
  38. 38.What is 2/9 of 36? (a) 12 (b) 4 (c) 28 (d) 8
  39. 39.1/6 + 2/5 = ? (a) 17/30 (b) 3/11 (c) 8/15 (d) 3/5
  40. 40.What is 3/8 of 64? (a) 8 (b) 32 (c) 24 (d) 40

Answer key

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

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