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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 282 · 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. 1.2/7 + 3/5 = ? (a) 5/12 (b) 6/7 (c) 32/35 (d) 31/35
  2. 2.What is 3/4 of 48? (a) 36 (b) 12 (c) 37 (d) 48
  3. 3.8/9 + 5/6 = ? (a) 5/3 (b) 16/9 (c) 13/15 (d) 31/18
  4. 4.5/6 + 1/3 = ? (a) 7/6 (b) 2/3 (c) 1 (d) 4/3
  5. 5.Which fraction is greater: 1/10 or 2/3? (a) 1/10 (b) They are equal (c) 2/3
  6. 6.1/2 + 1/4 = ? (a) 1 (b) 3/4 (c) 1/3 (d) 1/2
  7. 7.Which fraction is greater: 2/3 or 2/5? (a) They are equal (b) 2/5 (c) 2/3
  8. 8.3/4 + 1/2 = ? (a) 2/3 (b) 1 (c) 3/2 (d) 5/4
  9. 9.What is 1/2 of 22? (a) 11 (b) 22 (c) 10 (d) 12
  10. 10.What is 1/5 of 10? (a) 3 (b) 2 (c) 8 (d) 4
  11. 11.Which fraction is greater: 4/7 or 10/11? (a) They are equal (b) 10/11 (c) 4/7
  12. 12.Which fraction is greater: 8/9 or 6/11? (a) 6/11 (b) They are equal (c) 8/9
  13. 13.What is 5/9 of 63? (a) 28 (b) 7 (c) 42 (d) 35
  14. 14.Which fraction is greater: 4/5 or 6/11? (a) They are equal (b) 4/5 (c) 6/11
  15. 15.What is 2/7 of 63? (a) 45 (b) 18 (c) 27 (d) 9
  16. 16.Which fraction is greater: 7/12 or 1/3? (a) 1/3 (b) 7/12 (c) They are equal
  17. 17.Which fraction is greater: 6/11 or 2/7? (a) 2/7 (b) 6/11 (c) They are equal
  18. 18.Which fraction is greater: 2/3 or 7/10? (a) They are equal (b) 7/10 (c) 2/3
  19. 19.What is 5/7 of 42? (a) 30 (b) 12 (c) 36 (d) 6
  20. 20.What is 2/3 of 21? (a) 14 (b) 7 (c) 15 (d) 21
  21. 21.What is 1/5 of 60? (a) 24 (b) 13 (c) 12 (d) 48
  22. 22.1/5 + 5/7 = ? (a) 1/2 (b) 31/35 (c) 32/35 (d) 33/35
  23. 23.What is 1/3 of 33? (a) 12 (b) 10 (c) 22 (d) 11
  24. 24.What is 1/3 of 18? (a) 5 (b) 7 (c) 6 (d) 12
  25. 25.Which fraction is greater: 5/6 or 8/11? (a) 8/11 (b) 5/6 (c) They are equal
  26. 26.1/6 + 1/3 = ? (a) 2/9 (b) 1/3 (c) 1/2 (d) 2/3
  27. 27.Which fraction is greater: 8/9 or 1/11? (a) 8/9 (b) 1/11 (c) They are equal
  28. 28.2/3 + 2/5 = ? (a) 16/15 (b) 1/2 (c) 17/15 (d) 1
  29. 29.Which fraction is greater: 1/5 or 2/3? (a) They are equal (b) 2/3 (c) 1/5
  30. 30.Which fraction is greater: 1/4 or 2/3? (a) 2/3 (b) 1/4 (c) They are equal
  31. 31.What is 2/3 of 6? (a) 4 (b) 6 (c) 5 (d) 2
  32. 32.What is 3/5 of 15? (a) 3 (b) 9 (c) 12 (d) 6
  33. 33.1/2 + 2/9 = ? (a) 3/11 (b) 7/9 (c) 2/3 (d) 13/18
  34. 34.What is 1/6 of 42? (a) 35 (b) 7 (c) 14 (d) 8
  35. 35.5/9 + 2/9 = ? (a) 8/9 (b) 7/9 (c) 2/3 (d) 7/18
  36. 36.What is 3/8 of 16? (a) 2 (b) 10 (c) 8 (d) 6
  37. 37.3/8 + 3/6 = ? (a) 7/8 (b) 3/7 (c) 5/6 (d) 11/12
  38. 38.2/8 + 6/8 = ? (a) 1/2 (b) 1 (c) 9/8 (d) 7/8
  39. 39.What is 1/2 of 10? (a) 5 (b) 6 (c) 4 (d) 10
  40. 40.1/4 + 1/3 = ? (a) 2/7 (b) 2/3 (c) 1/2 (d) 7/12

Answer key

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

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