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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 478 · 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: 2/5 or 9/10? (a) 9/10 (b) 2/5 (c) They are equal
  2. 2.1/8 + 2/6 = ? (a) 1/2 (b) 11/24 (c) 3/14 (d) 5/12
  3. 3.1/3 + 5/9 = ? (a) 1 (b) 8/9 (c) 1/2 (d) 7/9
  4. 4.What is 5/7 of 21? (a) 6 (b) 3 (c) 18 (d) 15
  5. 5.What is 5/7 of 70? (a) 60 (b) 20 (c) 10 (d) 50
  6. 6.Which fraction is greater: 2/3 or 3/8? (a) 2/3 (b) 3/8 (c) They are equal
  7. 7.What is 1/7 of 84? (a) 13 (b) 24 (c) 72 (d) 12
  8. 8.2/4 + 2/4 = ? (a) 1 (b) 5/4 (c) 1/2 (d) 3/4
  9. 9.What is 1/5 of 15? (a) 6 (b) 12 (c) 4 (d) 3
  10. 10.4/7 + 3/4 = ? (a) 37/28 (b) 19/14 (c) 7/11 (d) 9/7
  11. 11.Which fraction is greater: 4/7 or 2/5? (a) 2/5 (b) 4/7 (c) They are equal
  12. 12.1/2 + 1/2 = ? (a) 1/2 (b) 2 (c) 3/2 (d) 1
  13. 13.Which fraction is greater: 2/9 or 3/4? (a) 2/9 (b) They are equal (c) 3/4
  14. 14.6/7 + 1/3 = ? (a) 26/21 (b) 8/7 (c) 25/21 (d) 7/10
  15. 15.What is 1/9 of 63? (a) 56 (b) 8 (c) 14 (d) 7
  16. 16.What is 1/3 of 30? (a) 20 (b) 10 (c) 9 (d) 11
  17. 17.Which fraction is greater: 1/4 or 5/9? (a) 1/4 (b) They are equal (c) 5/9
  18. 18.What is 1/2 of 14? (a) 14 (b) 7 (c) 6 (d) 8
  19. 19.What is 1/7 of 56? (a) 9 (b) 8 (c) 48 (d) 16
  20. 20.Which fraction is greater: 4/5 or 5/6? (a) 5/6 (b) 4/5 (c) They are equal
  21. 21.What is 3/5 of 30? (a) 18 (b) 12 (c) 24 (d) 6
  22. 22.What is 1/2 of 8? (a) 5 (b) 4 (c) 3 (d) 8
  23. 23.Which fraction is greater: 3/4 or 1/8? (a) 1/8 (b) They are equal (c) 3/4
  24. 24.What is 7/9 of 45? (a) 35 (b) 10 (c) 40 (d) 5
  25. 25.Which fraction is greater: 1/6 or 1/3? (a) 1/3 (b) 1/6 (c) They are equal
  26. 26.1/6 + 1/2 = ? (a) 2/3 (b) 1/4 (c) 5/6 (d) 1/2
  27. 27.1/3 + 7/8 = ? (a) 29/24 (b) 7/6 (c) 5/4 (d) 8/11
  28. 28.Which fraction is greater: 1/4 or 4/7? (a) 1/4 (b) They are equal (c) 4/7
  29. 29.3/6 + 3/5 = ? (a) 11/10 (b) 16/15 (c) 17/15 (d) 6/11
  30. 30.What is 1/8 of 32? (a) 8 (b) 4 (c) 5 (d) 28
  31. 31.What is 1/6 of 30? (a) 25 (b) 6 (c) 10 (d) 5
  32. 32.Which fraction is greater: 1/3 or 3/4? (a) They are equal (b) 3/4 (c) 1/3
  33. 33.What is 1/3 of 6? (a) 1 (b) 4 (c) 2 (d) 3
  34. 34.Which fraction is greater: 7/12 or 3/5? (a) 7/12 (b) They are equal (c) 3/5
  35. 35.3/5 + 1/2 = ? (a) 11/10 (b) 6/5 (c) 1 (d) 4/7
  36. 36.Which fraction is greater: 1/4 or 1/3? (a) 1/4 (b) They are equal (c) 1/3
  37. 37.What is 3/5 of 15? (a) 6 (b) 3 (c) 9 (d) 12
  38. 38.Which fraction is greater: 1/10 or 1/4? (a) They are equal (b) 1/4 (c) 1/10
  39. 39.Which fraction is greater: 2/9 or 1/3? (a) 1/3 (b) 2/9 (c) They are equal
  40. 40.Which fraction is greater: 5/12 or 1/4? (a) 1/4 (b) They are equal (c) 5/12

Answer key

  1. 9/10
  2. 11/24
  3. 8/9
  4. 15
  5. 50
  6. 2/3
  7. 12
  8. 1
  9. 3
  10. 37/28
  11. 4/7
  12. 1
  13. 3/4
  14. 25/21
  15. 7
  16. 10
  17. 5/9
  18. 7
  19. 8
  20. 5/6
  21. 18
  22. 4
  23. 3/4
  24. 35
  25. 1/3
  26. 2/3
  27. 29/24
  28. 4/7
  29. 11/10
  30. 4
  31. 5
  32. 3/4
  33. 2
  34. 3/5
  35. 11/10
  36. 1/3
  37. 9
  38. 1/4
  39. 1/3
  40. 5/12

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