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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 348 · 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. 1.3/5 + 2/3 = ? (a) 5/8 (b) 6/5 (c) 19/15 (d) 4/3
  2. 2.Which fraction is greater: 1/7 or 5/11? (a) 1/7 (b) They are equal (c) 5/11
  3. 3.7/9 + 1/2 = ? (a) 4/3 (b) 8/11 (c) 11/9 (d) 23/18
  4. 4.3/7 + 1/7 = ? (a) 4/7 (b) 3/7 (c) 5/7 (d) 2/7
  5. 5.Which fraction is greater: 1/5 or 3/4? (a) 1/5 (b) They are equal (c) 3/4
  6. 6.What is 1/2 of 24? (a) 12 (b) 11 (c) 24 (d) 13
  7. 7.1/2 + 3/5 = ? (a) 1 (b) 11/10 (c) 4/7 (d) 6/5
  8. 8.3/4 + 1/8 = ? (a) 3/4 (b) 1/3 (c) 1 (d) 7/8
  9. 9.What is 1/9 of 72? (a) 9 (b) 8 (c) 16 (d) 64
  10. 10.What is 1/6 of 42? (a) 14 (b) 35 (c) 8 (d) 7
  11. 11.What is 1/2 of 12? (a) 6 (b) 5 (c) 7 (d) 12
  12. 12.Which fraction is greater: 3/7 or 10/11? (a) They are equal (b) 3/7 (c) 10/11
  13. 13.4/7 + 1/2 = ? (a) 1 (b) 8/7 (c) 5/9 (d) 15/14
  14. 14.What is 1/5 of 10? (a) 4 (b) 3 (c) 8 (d) 2
  15. 15.1/3 + 4/5 = ? (a) 5/8 (b) 17/15 (c) 6/5 (d) 16/15
  16. 16.8/9 + 5/6 = ? (a) 13/15 (b) 5/3 (c) 31/18 (d) 16/9
  17. 17.Which fraction is greater: 1/4 or 3/11? (a) They are equal (b) 1/4 (c) 3/11
  18. 18.What is 4/5 of 45? (a) 9 (b) 36 (c) 37 (d) 45
  19. 19.Which fraction is greater: 2/9 or 4/11? (a) They are equal (b) 4/11 (c) 2/9
  20. 20.Which fraction is greater: 2/7 or 5/8? (a) 2/7 (b) They are equal (c) 5/8
  21. 21.What is 2/3 of 6? (a) 5 (b) 2 (c) 4 (d) 6
  22. 22.Which fraction is greater: 5/11 or 5/6? (a) 5/6 (b) They are equal (c) 5/11
  23. 23.1/2 + 1/4 = ? (a) 1/2 (b) 1/3 (c) 3/4 (d) 1
  24. 24.1/3 + 1/2 = ? (a) 5/6 (b) 1 (c) 2/5 (d) 2/3
  25. 25.What is 6/7 of 21? (a) 21 (b) 18 (c) 3 (d) 19
  26. 26.Which fraction is greater: 5/6 or 3/10? (a) 5/6 (b) 3/10 (c) They are equal
  27. 27.3/7 + 2/3 = ? (a) 1/2 (b) 23/21 (c) 8/7 (d) 22/21
  28. 28.1/2 + 2/7 = ? (a) 11/14 (b) 1/3 (c) 6/7 (d) 5/7
  29. 29.Which fraction is greater: 1/3 or 7/9? (a) They are equal (b) 7/9 (c) 1/3
  30. 30.Which fraction is greater: 3/5 or 1/6? (a) 1/6 (b) They are equal (c) 3/5
  31. 31.Which fraction is greater: 1/4 or 1/7? (a) 1/4 (b) They are equal (c) 1/7
  32. 32.What is 3/4 of 8? (a) 8 (b) 2 (c) 7 (d) 6
  33. 33.What is 5/9 of 99? (a) 11 (b) 44 (c) 66 (d) 55
  34. 34.What is 1/2 of 18? (a) 8 (b) 9 (c) 10 (d) 18
  35. 35.What is 2/3 of 33? (a) 11 (b) 33 (c) 22 (d) 23
  36. 36.Which fraction is greater: 7/8 or 4/5? (a) 4/5 (b) 7/8 (c) They are equal
  37. 37.Which fraction is greater: 1/4 or 1/9? (a) They are equal (b) 1/4 (c) 1/9
  38. 38.1/2 + 1/5 = ? (a) 2/7 (b) 4/5 (c) 3/5 (d) 7/10
  39. 39.What is 1/3 of 9? (a) 6 (b) 2 (c) 3 (d) 4
  40. 40.Which fraction is greater: 2/9 or 2/3? (a) 2/3 (b) 2/9 (c) They are equal

Answer key

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

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