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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 308 · 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 4/7 of 28? (a) 16 (b) 12 (c) 4 (d) 20
  2. 2.Which fraction is greater: 1/11 or 2/3? (a) 2/3 (b) 1/11 (c) They are equal
  3. 3.1/5 + 2/5 = ? (a) 3/5 (b) 3/10 (c) 2/5 (d) 4/5
  4. 4.What is 1/6 of 24? (a) 20 (b) 5 (c) 4 (d) 8
  5. 5.What is 3/4 of 24? (a) 18 (b) 6 (c) 19 (d) 24
  6. 6.1/2 + 2/4 = ? (a) 5/4 (b) 1/2 (c) 3/4 (d) 1
  7. 7.1/3 + 1/4 = ? (a) 2/3 (b) 2/7 (c) 7/12 (d) 1/2
  8. 8.Which fraction is greater: 1/3 or 4/5? (a) 4/5 (b) 1/3 (c) They are equal
  9. 9.Which fraction is greater: 4/7 or 2/3? (a) 4/7 (b) They are equal (c) 2/3
  10. 10.1/2 + 1/2 = ? (a) 3/2 (b) 2 (c) 1/2 (d) 1
  11. 11.What is 1/3 of 6? (a) 4 (b) 2 (c) 1 (d) 3
  12. 12.What is 1/4 of 48? (a) 24 (b) 36 (c) 13 (d) 12
  13. 13.What is 2/3 of 30? (a) 20 (b) 30 (c) 21 (d) 10
  14. 14.What is 7/9 of 54? (a) 12 (b) 42 (c) 6 (d) 48
  15. 15.What is 3/8 of 88? (a) 44 (b) 11 (c) 33 (d) 55
  16. 16.2/4 + 1/5 = ? (a) 13/20 (b) 7/10 (c) 1/3 (d) 3/4
  17. 17.1/2 + 1/3 = ? (a) 2/5 (b) 1 (c) 2/3 (d) 5/6
  18. 18.Which fraction is greater: 1/4 or 3/7? (a) 1/4 (b) They are equal (c) 3/7
  19. 19.Which fraction is greater: 1/3 or 3/10? (a) 1/3 (b) 3/10 (c) They are equal
  20. 20.What is 2/3 of 9? (a) 6 (b) 9 (c) 3 (d) 7
  21. 21.1/2 + 3/7 = ? (a) 4/9 (b) 6/7 (c) 13/14 (d) 1
  22. 22.2/3 + 3/5 = ? (a) 5/8 (b) 19/15 (c) 6/5 (d) 4/3
  23. 23.What is 1/6 of 42? (a) 8 (b) 14 (c) 35 (d) 7
  24. 24.Which fraction is greater: 4/5 or 3/4? (a) 4/5 (b) 3/4 (c) They are equal
  25. 25.2/3 + 1/9 = ? (a) 1/4 (b) 8/9 (c) 7/9 (d) 2/3
  26. 26.What is 2/7 of 14? (a) 10 (b) 6 (c) 2 (d) 4
  27. 27.What is 1/4 of 28? (a) 21 (b) 8 (c) 7 (d) 14
  28. 28.What is 1/2 of 22? (a) 22 (b) 10 (c) 12 (d) 11
  29. 29.1/3 + 5/7 = ? (a) 1 (b) 3/5 (c) 23/21 (d) 22/21
  30. 30.1/5 + 1/4 = ? (a) 9/20 (b) 2/5 (c) 1/2 (d) 2/9
  31. 31.1/3 + 4/9 = ? (a) 8/9 (b) 5/12 (c) 2/3 (d) 7/9
  32. 32.What is 2/7 of 56? (a) 8 (b) 24 (c) 16 (d) 40
  33. 33.What is 1/2 of 24? (a) 12 (b) 24 (c) 13 (d) 11
  34. 34.Which fraction is greater: 5/8 or 11/12? (a) 5/8 (b) They are equal (c) 11/12
  35. 35.What is 2/9 of 72? (a) 24 (b) 56 (c) 16 (d) 8
  36. 36.1/6 + 1/3 = ? (a) 1/3 (b) 1/2 (c) 2/3 (d) 2/9
  37. 37.What is 7/9 of 99? (a) 11 (b) 22 (c) 88 (d) 77
  38. 38.Which fraction is greater: 2/11 or 4/5? (a) 2/11 (b) They are equal (c) 4/5
  39. 39.Which fraction is greater: 3/4 or 7/11? (a) 3/4 (b) They are equal (c) 7/11
  40. 40.Which fraction is greater: 2/5 or 2/3? (a) 2/5 (b) They are equal (c) 2/3

Answer key

  1. 16
  2. 2/3
  3. 3/5
  4. 4
  5. 18
  6. 1
  7. 7/12
  8. 4/5
  9. 2/3
  10. 1
  11. 2
  12. 12
  13. 20
  14. 42
  15. 33
  16. 7/10
  17. 5/6
  18. 3/7
  19. 1/3
  20. 6
  21. 13/14
  22. 19/15
  23. 7
  24. 4/5
  25. 7/9
  26. 4
  27. 7
  28. 11
  29. 22/21
  30. 9/20
  31. 7/9
  32. 16
  33. 12
  34. 11/12
  35. 16
  36. 1/2
  37. 77
  38. 4/5
  39. 3/4
  40. 2/3

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