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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 830 · 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: 1/3 or 5/7? (a) They are equal (b) 5/7 (c) 1/3
  2. 2.What is 1/2 of 4? (a) 2 (b) 3 (c) 4 (d) 1
  3. 3.3/6 + 2/4 = ? (a) 1/2 (b) 1 (c) 13/12 (d) 11/12
  4. 4.1/2 + 4/7 = ? (a) 1 (b) 15/14 (c) 5/9 (d) 8/7
  5. 5.1/6 + 1/2 = ? (a) 2/3 (b) 1/4 (c) 5/6 (d) 1/2
  6. 6.1/5 + 2/3 = ? (a) 4/5 (b) 13/15 (c) 14/15 (d) 3/8
  7. 7.What is 2/9 of 99? (a) 33 (b) 11 (c) 22 (d) 77
  8. 8.3/5 + 2/3 = ? (a) 5/8 (b) 4/3 (c) 6/5 (d) 19/15
  9. 9.Which fraction is greater: 1/4 or 1/3? (a) 1/4 (b) They are equal (c) 1/3
  10. 10.Which fraction is greater: 1/5 or 5/9? (a) They are equal (b) 1/5 (c) 5/9
  11. 11.5/8 + 1/3 = ? (a) 1 (b) 6/11 (c) 23/24 (d) 11/12
  12. 12.Which fraction is greater: 3/10 or 1/8? (a) 3/10 (b) They are equal (c) 1/8
  13. 13.5/7 + 1/2 = ? (a) 2/3 (b) 8/7 (c) 9/7 (d) 17/14
  14. 14.1/3 + 2/4 = ? (a) 3/7 (b) 5/6 (c) 3/4 (d) 11/12
  15. 15.What is 2/3 of 21? (a) 7 (b) 14 (c) 21 (d) 15
  16. 16.Which fraction is greater: 2/3 or 2/9? (a) 2/9 (b) 2/3 (c) They are equal
  17. 17.What is 4/5 of 60? (a) 49 (b) 12 (c) 48 (d) 60
  18. 18.1/3 + 1/7 = ? (a) 10/21 (b) 1/5 (c) 11/21 (d) 3/7
  19. 19.What is 3/7 of 42? (a) 18 (b) 19 (c) 6 (d) 24
  20. 20.Which fraction is greater: 3/4 or 6/11? (a) They are equal (b) 3/4 (c) 6/11
  21. 21.2/4 + 3/4 = ? (a) 1 (b) 3/2 (c) 5/8 (d) 5/4
  22. 22.Which fraction is greater: 2/3 or 3/8? (a) 3/8 (b) 2/3 (c) They are equal
  23. 23.Which fraction is greater: 3/8 or 1/5? (a) They are equal (b) 3/8 (c) 1/5
  24. 24.Which fraction is greater: 1/10 or 2/5? (a) They are equal (b) 2/5 (c) 1/10
  25. 25.1/2 + 3/6 = ? (a) 1 (b) 7/6 (c) 5/6 (d) 1/2
  26. 26.What is 1/2 of 20? (a) 11 (b) 20 (c) 9 (d) 10
  27. 27.5/8 + 3/6 = ? (a) 7/6 (b) 13/12 (c) 4/7 (d) 9/8
  28. 28.Which fraction is greater: 3/4 or 3/8? (a) They are equal (b) 3/8 (c) 3/4
  29. 29.Which fraction is greater: 2/5 or 3/10? (a) They are equal (b) 2/5 (c) 3/10
  30. 30.Which fraction is greater: 2/5 or 5/6? (a) They are equal (b) 2/5 (c) 5/6
  31. 31.4/6 + 1/6 = ? (a) 2/3 (b) 5/6 (c) 5/12 (d) 1
  32. 32.Which fraction is greater: 1/12 or 2/3? (a) 1/12 (b) 2/3 (c) They are equal
  33. 33.4/5 + 1/3 = ? (a) 16/15 (b) 5/8 (c) 17/15 (d) 6/5
  34. 34.What is 1/8 of 48? (a) 12 (b) 42 (c) 7 (d) 6
  35. 35.2/5 + 1/2 = ? (a) 4/5 (b) 1 (c) 9/10 (d) 3/7
  36. 36.What is 2/7 of 21? (a) 6 (b) 9 (c) 3 (d) 15
  37. 37.Which fraction is greater: 5/6 or 1/4? (a) 5/6 (b) 1/4 (c) They are equal
  38. 38.Which fraction is greater: 1/9 or 5/6? (a) 5/6 (b) 1/9 (c) They are equal
  39. 39.1/2 + 2/3 = ? (a) 7/6 (b) 1 (c) 4/3 (d) 3/5
  40. 40.4/6 + 1/4 = ? (a) 11/12 (b) 1/2 (c) 5/6 (d) 1

Answer key

  1. 5/7
  2. 2
  3. 1
  4. 15/14
  5. 2/3
  6. 13/15
  7. 22
  8. 19/15
  9. 1/3
  10. 5/9
  11. 23/24
  12. 3/10
  13. 17/14
  14. 5/6
  15. 14
  16. 2/3
  17. 48
  18. 10/21
  19. 18
  20. 3/4
  21. 5/4
  22. 2/3
  23. 3/8
  24. 2/5
  25. 1
  26. 10
  27. 9/8
  28. 3/4
  29. 2/5
  30. 5/6
  31. 5/6
  32. 2/3
  33. 17/15
  34. 6
  35. 9/10
  36. 6
  37. 5/6
  38. 5/6
  39. 7/6
  40. 11/12

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