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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 933 · 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. 1.1/2 + 7/8 = ? (a) 5/4 (b) 11/8 (c) 3/2 (d) 4/5
  2. 2.Which fraction is greater: 1/7 or 5/11? (a) 5/11 (b) 1/7 (c) They are equal
  3. 3.What is 1/2 of 6? (a) 2 (b) 3 (c) 4 (d) 6
  4. 4.2/3 + 1/2 = ? (a) 3/5 (b) 7/6 (c) 4/3 (d) 1
  5. 5.Which fraction is greater: 8/9 or 2/5? (a) They are equal (b) 8/9 (c) 2/5
  6. 6.1/2 + 2/5 = ? (a) 1 (b) 3/7 (c) 9/10 (d) 4/5
  7. 7.Which fraction is greater: 8/9 or 1/7? (a) They are equal (b) 8/9 (c) 1/7
  8. 8.What is 1/2 of 4? (a) 4 (b) 2 (c) 3 (d) 1
  9. 9.1/3 + 1/5 = ? (a) 7/15 (b) 8/15 (c) 1/4 (d) 3/5
  10. 10.Which fraction is greater: 2/5 or 1/11? (a) 1/11 (b) They are equal (c) 2/5
  11. 11.2/4 + 1/2 = ? (a) 3/4 (b) 1/2 (c) 5/4 (d) 1
  12. 12.Which fraction is greater: 1/6 or 6/11? (a) 6/11 (b) 1/6 (c) They are equal
  13. 13.What is 8/9 of 90? (a) 80 (b) 10 (c) 90 (d) 81
  14. 14.Which fraction is greater: 3/7 or 1/6? (a) 1/6 (b) They are equal (c) 3/7
  15. 15.Which fraction is greater: 1/3 or 7/8? (a) 1/3 (b) 7/8 (c) They are equal
  16. 16.Which fraction is greater: 2/3 or 2/7? (a) They are equal (b) 2/7 (c) 2/3
  17. 17.What is 2/3 of 21? (a) 21 (b) 15 (c) 14 (d) 7
  18. 18.1/3 + 1/2 = ? (a) 2/5 (b) 2/3 (c) 1 (d) 5/6
  19. 19.1/4 + 4/6 = ? (a) 1/2 (b) 1 (c) 11/12 (d) 5/6
  20. 20.Which fraction is greater: 5/7 or 1/4? (a) 1/4 (b) 5/7 (c) They are equal
  21. 21.What is 4/9 of 99? (a) 11 (b) 55 (c) 45 (d) 44
  22. 22.Which fraction is greater: 4/5 or 5/8? (a) They are equal (b) 4/5 (c) 5/8
  23. 23.Which fraction is greater: 1/5 or 7/10? (a) 1/5 (b) They are equal (c) 7/10
  24. 24.Which fraction is greater: 1/7 or 2/3? (a) 1/7 (b) 2/3 (c) They are equal
  25. 25.4/6 + 3/5 = ? (a) 7/11 (b) 37/30 (c) 19/15 (d) 13/10
  26. 26.What is 1/5 of 50? (a) 40 (b) 20 (c) 10 (d) 11
  27. 27.Which fraction is greater: 5/11 or 6/7? (a) They are equal (b) 6/7 (c) 5/11
  28. 28.What is 1/2 of 20? (a) 10 (b) 20 (c) 9 (d) 11
  29. 29.4/6 + 5/9 = ? (a) 7/6 (b) 3/5 (c) 23/18 (d) 11/9
  30. 30.1/2 + 1/2 = ? (a) 1 (b) 3/2 (c) 2 (d) 1/2
  31. 31.Which fraction is greater: 7/8 or 3/5? (a) They are equal (b) 7/8 (c) 3/5
  32. 32.Which fraction is greater: 5/12 or 3/4? (a) 3/4 (b) They are equal (c) 5/12
  33. 33.What is 1/3 of 21? (a) 6 (b) 7 (c) 8 (d) 14
  34. 34.What is 1/2 of 22? (a) 12 (b) 10 (c) 22 (d) 11
  35. 35.What is 1/7 of 42? (a) 7 (b) 36 (c) 6 (d) 12
  36. 36.1/2 + 2/7 = ? (a) 5/7 (b) 11/14 (c) 1/3 (d) 6/7
  37. 37.What is 1/5 of 30? (a) 7 (b) 24 (c) 12 (d) 6
  38. 38.What is 3/7 of 42? (a) 24 (b) 6 (c) 19 (d) 18
  39. 39.Which fraction is greater: 5/7 or 1/8? (a) 1/8 (b) They are equal (c) 5/7
  40. 40.What is 4/7 of 42? (a) 30 (b) 6 (c) 24 (d) 18

Answer key

  1. 11/8
  2. 5/11
  3. 3
  4. 7/6
  5. 8/9
  6. 9/10
  7. 8/9
  8. 2
  9. 8/15
  10. 2/5
  11. 1
  12. 6/11
  13. 80
  14. 3/7
  15. 7/8
  16. 2/3
  17. 14
  18. 5/6
  19. 11/12
  20. 5/7
  21. 44
  22. 4/5
  23. 7/10
  24. 2/3
  25. 19/15
  26. 10
  27. 6/7
  28. 10
  29. 11/9
  30. 1
  31. 7/8
  32. 3/4
  33. 7
  34. 11
  35. 6
  36. 11/14
  37. 6
  38. 18
  39. 5/7
  40. 24

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