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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 236 · 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: 3/5 or 1/7? (a) 1/7 (b) 3/5 (c) They are equal
  2. 2.Which fraction is greater: 9/11 or 3/4? (a) 9/11 (b) They are equal (c) 3/4
  3. 3.What is 5/9 of 63? (a) 42 (b) 28 (c) 35 (d) 7
  4. 4.What is 1/2 of 20? (a) 10 (b) 9 (c) 20 (d) 11
  5. 5.Which fraction is greater: 7/10 or 1/3? (a) 1/3 (b) They are equal (c) 7/10
  6. 6.Which fraction is greater: 8/9 or 9/10? (a) They are equal (b) 8/9 (c) 9/10
  7. 7.Which fraction is greater: 4/7 or 1/3? (a) 4/7 (b) 1/3 (c) They are equal
  8. 8.2/3 + 2/4 = ? (a) 13/12 (b) 4/7 (c) 5/4 (d) 7/6
  9. 9.What is 1/2 of 22? (a) 22 (b) 11 (c) 12 (d) 10
  10. 10.Which fraction is greater: 5/11 or 1/5? (a) 1/5 (b) 5/11 (c) They are equal
  11. 11.2/6 + 7/9 = ? (a) 10/9 (b) 7/6 (c) 19/18 (d) 3/5
  12. 12.Which fraction is greater: 6/7 or 5/8? (a) 5/8 (b) They are equal (c) 6/7
  13. 13.Which fraction is greater: 3/5 or 1/6? (a) 1/6 (b) 3/5 (c) They are equal
  14. 14.Which fraction is greater: 2/3 or 3/4? (a) 3/4 (b) They are equal (c) 2/3
  15. 15.2/6 + 1/2 = ? (a) 2/3 (b) 1 (c) 3/8 (d) 5/6
  16. 16.1/4 + 5/7 = ? (a) 27/28 (b) 6/11 (c) 1 (d) 13/14
  17. 17.Which fraction is greater: 1/10 or 4/5? (a) 4/5 (b) They are equal (c) 1/10
  18. 18.What is 5/7 of 56? (a) 16 (b) 48 (c) 40 (d) 8
  19. 19.1/2 + 1/3 = ? (a) 2/5 (b) 5/6 (c) 2/3 (d) 1
  20. 20.1/5 + 2/3 = ? (a) 13/15 (b) 14/15 (c) 3/8 (d) 4/5
  21. 21.What is 3/5 of 40? (a) 16 (b) 24 (c) 8 (d) 32
  22. 22.Which fraction is greater: 1/3 or 4/7? (a) They are equal (b) 1/3 (c) 4/7
  23. 23.3/8 + 3/8 = ? (a) 5/8 (b) 7/8 (c) 3/4 (d) 3/8
  24. 24.1/2 + 2/3 = ? (a) 7/6 (b) 3/5 (c) 4/3 (d) 1
  25. 25.What is 1/3 of 6? (a) 1 (b) 2 (c) 4 (d) 3
  26. 26.Which fraction is greater: 4/5 or 9/10? (a) 9/10 (b) They are equal (c) 4/5
  27. 27.6/9 + 1/2 = ? (a) 11/9 (b) 7/11 (c) 10/9 (d) 7/6
  28. 28.1/2 + 4/7 = ? (a) 15/14 (b) 5/9 (c) 1 (d) 8/7
  29. 29.1/2 + 2/5 = ? (a) 9/10 (b) 1 (c) 4/5 (d) 3/7
  30. 30.4/9 + 3/4 = ? (a) 7/6 (b) 43/36 (c) 11/9 (d) 7/13
  31. 31.What is 4/7 of 28? (a) 4 (b) 12 (c) 20 (d) 16
  32. 32.What is 1/2 of 24? (a) 11 (b) 24 (c) 13 (d) 12
  33. 33.Which fraction is greater: 3/4 or 2/3? (a) They are equal (b) 2/3 (c) 3/4
  34. 34.What is 5/6 of 48? (a) 40 (b) 41 (c) 8 (d) 48
  35. 35.Which fraction is greater: 1/6 or 2/3? (a) They are equal (b) 2/3 (c) 1/6
  36. 36.What is 1/3 of 33? (a) 11 (b) 10 (c) 22 (d) 12
  37. 37.What is 1/9 of 63? (a) 56 (b) 7 (c) 8 (d) 14
  38. 38.5/8 + 2/3 = ? (a) 5/4 (b) 4/3 (c) 7/11 (d) 31/24
  39. 39.1/2 + 3/4 = ? (a) 3/2 (b) 5/4 (c) 1 (d) 2/3
  40. 40.What is 3/5 of 25? (a) 5 (b) 20 (c) 15 (d) 10

Answer key

  1. 3/5
  2. 9/11
  3. 35
  4. 10
  5. 7/10
  6. 9/10
  7. 4/7
  8. 7/6
  9. 11
  10. 5/11
  11. 10/9
  12. 6/7
  13. 3/5
  14. 3/4
  15. 5/6
  16. 27/28
  17. 4/5
  18. 40
  19. 5/6
  20. 13/15
  21. 24
  22. 4/7
  23. 3/4
  24. 7/6
  25. 2
  26. 9/10
  27. 7/6
  28. 15/14
  29. 9/10
  30. 43/36
  31. 16
  32. 12
  33. 3/4
  34. 40
  35. 2/3
  36. 11
  37. 7
  38. 31/24
  39. 5/4
  40. 15

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