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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 589 · 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: 2/3 or 5/11? (a) They are equal (b) 5/11 (c) 2/3
  2. 2.What is 1/9 of 90? (a) 11 (b) 80 (c) 20 (d) 10
  3. 3.4/5 + 2/4 = ? (a) 13/10 (b) 2/3 (c) 5/4 (d) 27/20
  4. 4.Which fraction is greater: 1/3 or 3/5? (a) They are equal (b) 3/5 (c) 1/3
  5. 5.Which fraction is greater: 3/11 or 4/7? (a) 3/11 (b) 4/7 (c) They are equal
  6. 6.What is 8/9 of 36? (a) 33 (b) 36 (c) 4 (d) 32
  7. 7.What is 5/7 of 77? (a) 66 (b) 11 (c) 22 (d) 55
  8. 8.Which fraction is greater: 2/7 or 3/4? (a) 3/4 (b) 2/7 (c) They are equal
  9. 9.Which fraction is greater: 1/4 or 2/3? (a) 1/4 (b) 2/3 (c) They are equal
  10. 10.1/2 + 1/2 = ? (a) 3/2 (b) 2 (c) 1 (d) 1/2
  11. 11.What is 1/4 of 48? (a) 13 (b) 24 (c) 12 (d) 36
  12. 12.What is 1/3 of 15? (a) 10 (b) 6 (c) 4 (d) 5
  13. 13.Which fraction is greater: 6/7 or 1/3? (a) 1/3 (b) 6/7 (c) They are equal
  14. 14.2/4 + 2/3 = ? (a) 13/12 (b) 5/4 (c) 4/7 (d) 7/6
  15. 15.Which fraction is greater: 4/5 or 1/3? (a) They are equal (b) 4/5 (c) 1/3
  16. 16.What is 1/2 of 14? (a) 7 (b) 6 (c) 14 (d) 8
  17. 17.1/3 + 3/4 = ? (a) 7/6 (b) 4/7 (c) 13/12 (d) 1
  18. 18.Which fraction is greater: 1/8 or 1/6? (a) 1/6 (b) They are equal (c) 1/8
  19. 19.1/2 + 2/4 = ? (a) 1/2 (b) 1 (c) 3/4 (d) 5/4
  20. 20.What is 1/2 of 18? (a) 18 (b) 8 (c) 9 (d) 10
  21. 21.2/5 + 1/2 = ? (a) 9/10 (b) 4/5 (c) 1 (d) 3/7
  22. 22.What is 2/5 of 20? (a) 8 (b) 4 (c) 12 (d) 9
  23. 23.What is 8/9 of 63? (a) 7 (b) 57 (c) 63 (d) 56
  24. 24.What is 2/3 of 6? (a) 4 (b) 2 (c) 5 (d) 6
  25. 25.What is 1/7 of 21? (a) 18 (b) 3 (c) 6 (d) 4
  26. 26.Which fraction is greater: 6/11 or 9/10? (a) 6/11 (b) 9/10 (c) They are equal
  27. 27.1/7 + 2/7 = ? (a) 3/14 (b) 2/7 (c) 3/7 (d) 4/7
  28. 28.Which fraction is greater: 3/4 or 6/11? (a) They are equal (b) 6/11 (c) 3/4
  29. 29.Which fraction is greater: 1/3 or 1/4? (a) 1/4 (b) They are equal (c) 1/3
  30. 30.Which fraction is greater: 4/11 or 2/3? (a) They are equal (b) 2/3 (c) 4/11
  31. 31.1/3 + 1/8 = ? (a) 2/11 (b) 5/12 (c) 1/2 (d) 11/24
  32. 32.Which fraction is greater: 2/5 or 1/11? (a) 2/5 (b) They are equal (c) 1/11
  33. 33.4/5 + 2/3 = ? (a) 23/15 (b) 7/5 (c) 22/15 (d) 3/4
  34. 34.What is 2/3 of 9? (a) 6 (b) 3 (c) 9 (d) 7
  35. 35.Which fraction is greater: 2/9 or 3/8? (a) 3/8 (b) 2/9 (c) They are equal
  36. 36.What is 5/9 of 99? (a) 66 (b) 11 (c) 44 (d) 55
  37. 37.2/4 + 5/8 = ? (a) 9/8 (b) 5/4 (c) 7/12 (d) 1
  38. 38.What is 1/7 of 42? (a) 7 (b) 6 (c) 36 (d) 12
  39. 39.What is 2/7 of 63? (a) 9 (b) 18 (c) 45 (d) 27
  40. 40.What is 2/3 of 30? (a) 10 (b) 21 (c) 30 (d) 20

Answer key

  1. 2/3
  2. 10
  3. 13/10
  4. 3/5
  5. 4/7
  6. 32
  7. 55
  8. 3/4
  9. 2/3
  10. 1
  11. 12
  12. 5
  13. 6/7
  14. 7/6
  15. 4/5
  16. 7
  17. 13/12
  18. 1/6
  19. 1
  20. 9
  21. 9/10
  22. 8
  23. 56
  24. 4
  25. 3
  26. 9/10
  27. 3/7
  28. 3/4
  29. 1/3
  30. 2/3
  31. 11/24
  32. 2/5
  33. 22/15
  34. 6
  35. 3/8
  36. 55
  37. 9/8
  38. 6
  39. 18
  40. 20

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