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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 824 · 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.Which fraction is greater: 2/7 or 11/12? (a) They are equal (b) 11/12 (c) 2/7
  2. 2.Which fraction is greater: 3/4 or 5/6? (a) They are equal (b) 3/4 (c) 5/6
  3. 3.What is 1/3 of 30? (a) 9 (b) 11 (c) 20 (d) 10
  4. 4.What is 2/3 of 9? (a) 7 (b) 3 (c) 6 (d) 9
  5. 5.1/4 + 2/3 = ? (a) 3/7 (b) 1 (c) 5/6 (d) 11/12
  6. 6.What is 2/7 of 63? (a) 27 (b) 18 (c) 9 (d) 45
  7. 7.What is 1/4 of 48? (a) 13 (b) 24 (c) 12 (d) 36
  8. 8.1/5 + 1/4 = ? (a) 2/9 (b) 1/2 (c) 2/5 (d) 9/20
  9. 9.What is 1/5 of 10? (a) 2 (b) 8 (c) 3 (d) 4
  10. 10.Which fraction is greater: 11/12 or 2/3? (a) 2/3 (b) 11/12 (c) They are equal
  11. 11.1/2 + 3/6 = ? (a) 1/2 (b) 1 (c) 7/6 (d) 5/6
  12. 12.8/9 + 2/9 = ? (a) 11/9 (b) 10/9 (c) 5/9 (d) 1
  13. 13.4/5 + 1/3 = ? (a) 5/8 (b) 6/5 (c) 16/15 (d) 17/15
  14. 14.Which fraction is greater: 1/3 or 4/9? (a) 1/3 (b) They are equal (c) 4/9
  15. 15.What is 2/7 of 28? (a) 4 (b) 20 (c) 12 (d) 8
  16. 16.Which fraction is greater: 2/7 or 5/6? (a) 5/6 (b) 2/7 (c) They are equal
  17. 17.What is 1/8 of 32? (a) 28 (b) 4 (c) 8 (d) 5
  18. 18.What is 1/9 of 36? (a) 8 (b) 32 (c) 4 (d) 5
  19. 19.Which fraction is greater: 2/3 or 1/5? (a) 2/3 (b) 1/5 (c) They are equal
  20. 20.1/5 + 1/2 = ? (a) 3/5 (b) 2/7 (c) 4/5 (d) 7/10
  21. 21.What is 1/2 of 22? (a) 22 (b) 12 (c) 11 (d) 10
  22. 22.What is 1/2 of 14? (a) 8 (b) 6 (c) 7 (d) 14
  23. 23.What is 6/7 of 49? (a) 42 (b) 49 (c) 7 (d) 43
  24. 24.4/5 + 2/7 = ? (a) 1/2 (b) 37/35 (c) 39/35 (d) 38/35
  25. 25.Which fraction is greater: 7/8 or 3/10? (a) They are equal (b) 7/8 (c) 3/10
  26. 26.Which fraction is greater: 6/11 or 11/12? (a) They are equal (b) 6/11 (c) 11/12
  27. 27.What is 1/2 of 10? (a) 10 (b) 5 (c) 4 (d) 6
  28. 28.3/4 + 3/8 = ? (a) 1/2 (b) 5/4 (c) 9/8 (d) 1
  29. 29.What is 2/5 of 40? (a) 17 (b) 16 (c) 8 (d) 24
  30. 30.1/7 + 1/3 = ? (a) 3/7 (b) 11/21 (c) 10/21 (d) 1/5
  31. 31.Which fraction is greater: 3/8 or 1/4? (a) 1/4 (b) They are equal (c) 3/8
  32. 32.3/4 + 3/4 = ? (a) 5/4 (b) 7/4 (c) 3/4 (d) 3/2
  33. 33.What is 2/7 of 42? (a) 6 (b) 18 (c) 30 (d) 12
  34. 34.1/2 + 1/2 = ? (a) 1/2 (b) 3/2 (c) 1 (d) 2
  35. 35.What is 1/5 of 20? (a) 16 (b) 8 (c) 4 (d) 5
  36. 36.Which fraction is greater: 3/5 or 6/11? (a) They are equal (b) 3/5 (c) 6/11
  37. 37.Which fraction is greater: 5/11 or 1/3? (a) They are equal (b) 1/3 (c) 5/11
  38. 38.1/2 + 5/7 = ? (a) 8/7 (b) 17/14 (c) 2/3 (d) 9/7
  39. 39.Which fraction is greater: 3/8 or 3/4? (a) They are equal (b) 3/4 (c) 3/8
  40. 40.Which fraction is greater: 3/8 or 4/7? (a) 4/7 (b) 3/8 (c) They are equal

Answer key

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

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