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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 227 · 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: 4/5 or 1/3? (a) 4/5 (b) They are equal (c) 1/3
  2. 2.3/5 + 5/7 = ? (a) 47/35 (b) 2/3 (c) 9/7 (d) 46/35
  3. 3.1/8 + 2/8 = ? (a) 3/8 (b) 1/2 (c) 3/16 (d) 1/4
  4. 4.Which fraction is greater: 2/5 or 1/3? (a) 2/5 (b) 1/3 (c) They are equal
  5. 5.Which fraction is greater: 2/3 or 3/4? (a) 2/3 (b) They are equal (c) 3/4
  6. 6.Which fraction is greater: 1/9 or 3/5? (a) They are equal (b) 1/9 (c) 3/5
  7. 7.Which fraction is greater: 2/3 or 1/10? (a) 2/3 (b) They are equal (c) 1/10
  8. 8.Which fraction is greater: 5/9 or 3/5? (a) 3/5 (b) They are equal (c) 5/9
  9. 9.Which fraction is greater: 2/5 or 7/11? (a) 7/11 (b) They are equal (c) 2/5
  10. 10.1/2 + 3/4 = ? (a) 3/2 (b) 1 (c) 2/3 (d) 5/4
  11. 11.What is 1/5 of 10? (a) 4 (b) 2 (c) 3 (d) 8
  12. 12.Which fraction is greater: 1/11 or 9/10? (a) 1/11 (b) 9/10 (c) They are equal
  13. 13.1/2 + 2/3 = ? (a) 7/6 (b) 3/5 (c) 1 (d) 4/3
  14. 14.1/2 + 1/4 = ? (a) 1 (b) 3/4 (c) 1/2 (d) 1/3
  15. 15.1/2 + 3/6 = ? (a) 5/6 (b) 7/6 (c) 1 (d) 1/2
  16. 16.2/4 + 1/2 = ? (a) 5/4 (b) 1 (c) 3/4 (d) 1/2
  17. 17.Which fraction is greater: 1/11 or 1/7? (a) 1/7 (b) They are equal (c) 1/11
  18. 18.1/5 + 1/3 = ? (a) 1/4 (b) 8/15 (c) 3/5 (d) 7/15
  19. 19.2/8 + 2/3 = ? (a) 11/12 (b) 23/24 (c) 7/8 (d) 4/11
  20. 20.What is 1/4 of 28? (a) 14 (b) 8 (c) 21 (d) 7
  21. 21.What is 5/9 of 63? (a) 7 (b) 35 (c) 28 (d) 42
  22. 22.Which fraction is greater: 1/3 or 1/4? (a) 1/4 (b) They are equal (c) 1/3
  23. 23.Which fraction is greater: 3/10 or 2/5? (a) They are equal (b) 2/5 (c) 3/10
  24. 24.2/4 + 1/6 = ? (a) 7/12 (b) 3/10 (c) 3/4 (d) 2/3
  25. 25.Which fraction is greater: 5/6 or 1/3? (a) They are equal (b) 1/3 (c) 5/6
  26. 26.Which fraction is greater: 1/5 or 3/4? (a) 3/4 (b) They are equal (c) 1/5
  27. 27.Which fraction is greater: 2/3 or 9/11? (a) 9/11 (b) They are equal (c) 2/3
  28. 28.1/2 + 3/8 = ? (a) 7/8 (b) 2/5 (c) 1 (d) 3/4
  29. 29.Which fraction is greater: 7/9 or 3/5? (a) 3/5 (b) 7/9 (c) They are equal
  30. 30.What is 1/7 of 14? (a) 3 (b) 12 (c) 2 (d) 4
  31. 31.What is 1/2 of 14? (a) 6 (b) 8 (c) 7 (d) 14
  32. 32.What is 2/9 of 99? (a) 77 (b) 11 (c) 22 (d) 33
  33. 33.What is 1/3 of 33? (a) 11 (b) 12 (c) 10 (d) 22
  34. 34.1/2 + 1/6 = ? (a) 2/3 (b) 1/2 (c) 5/6 (d) 1/4
  35. 35.What is 2/9 of 45? (a) 5 (b) 15 (c) 10 (d) 35
  36. 36.Which fraction is greater: 7/9 or 5/12? (a) 7/9 (b) They are equal (c) 5/12
  37. 37.What is 1/2 of 6? (a) 2 (b) 4 (c) 6 (d) 3
  38. 38.Which fraction is greater: 9/10 or 7/9? (a) 7/9 (b) They are equal (c) 9/10
  39. 39.Which fraction is greater: 1/4 or 1/7? (a) 1/4 (b) 1/7 (c) They are equal
  40. 40.Which fraction is greater: 4/5 or 4/9? (a) They are equal (b) 4/5 (c) 4/9

Answer key

  1. 4/5
  2. 46/35
  3. 3/8
  4. 2/5
  5. 3/4
  6. 3/5
  7. 2/3
  8. 3/5
  9. 7/11
  10. 5/4
  11. 2
  12. 9/10
  13. 7/6
  14. 3/4
  15. 1
  16. 1
  17. 1/7
  18. 8/15
  19. 11/12
  20. 7
  21. 35
  22. 1/3
  23. 2/5
  24. 2/3
  25. 5/6
  26. 3/4
  27. 9/11
  28. 7/8
  29. 7/9
  30. 2
  31. 7
  32. 22
  33. 11
  34. 2/3
  35. 10
  36. 7/9
  37. 3
  38. 9/10
  39. 1/4
  40. 4/5

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