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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 880 · 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: 3/4 or 2/3? (a) 3/4 (b) They are equal (c) 2/3
  2. 2.1/3 + 2/3 = ? (a) 1/2 (b) 1 (c) 2/3 (d) 4/3
  3. 3.Which fraction is greater: 5/7 or 1/3? (a) 5/7 (b) 1/3 (c) They are equal
  4. 4.What is 3/4 of 24? (a) 6 (b) 19 (c) 24 (d) 18
  5. 5.What is 1/7 of 84? (a) 72 (b) 12 (c) 13 (d) 24
  6. 6.2/3 + 1/5 = ? (a) 4/5 (b) 14/15 (c) 3/8 (d) 13/15
  7. 7.1/2 + 1/2 = ? (a) 1/2 (b) 3/2 (c) 1 (d) 2
  8. 8.1/5 + 1/7 = ? (a) 11/35 (b) 13/35 (c) 1/6 (d) 12/35
  9. 9.1/3 + 1/3 = ? (a) 2/3 (b) 4/3 (c) 1/3 (d) 1
  10. 10.What is 5/8 of 64? (a) 48 (b) 8 (c) 40 (d) 24
  11. 11.What is 3/7 of 63? (a) 36 (b) 27 (c) 9 (d) 28
  12. 12.2/4 + 7/8 = ? (a) 3/2 (b) 3/4 (c) 5/4 (d) 11/8
  13. 13.Which fraction is greater: 7/10 or 1/5? (a) 1/5 (b) 7/10 (c) They are equal
  14. 14.What is 4/5 of 45? (a) 45 (b) 36 (c) 37 (d) 9
  15. 15.Which fraction is greater: 7/12 or 1/9? (a) 7/12 (b) 1/9 (c) They are equal
  16. 16.What is 1/5 of 15? (a) 12 (b) 6 (c) 3 (d) 4
  17. 17.Which fraction is greater: 7/8 or 5/7? (a) 5/7 (b) 7/8 (c) They are equal
  18. 18.Which fraction is greater: 1/4 or 3/7? (a) 1/4 (b) 3/7 (c) They are equal
  19. 19.What is 2/5 of 55? (a) 23 (b) 11 (c) 33 (d) 22
  20. 20.3/4 + 6/7 = ? (a) 45/28 (b) 11/7 (c) 9/11 (d) 23/14
  21. 21.What is 1/3 of 15? (a) 4 (b) 10 (c) 6 (d) 5
  22. 22.What is 5/6 of 36? (a) 6 (b) 36 (c) 31 (d) 30
  23. 23.Which fraction is greater: 1/3 or 1/6? (a) They are equal (b) 1/3 (c) 1/6
  24. 24.Which fraction is greater: 3/7 or 5/11? (a) 3/7 (b) They are equal (c) 5/11
  25. 25.Which fraction is greater: 1/5 or 1/6? (a) 1/6 (b) They are equal (c) 1/5
  26. 26.Which fraction is greater: 3/4 or 5/8? (a) 3/4 (b) 5/8 (c) They are equal
  27. 27.2/5 + 1/7 = ? (a) 4/7 (b) 19/35 (c) 1/4 (d) 18/35
  28. 28.Which fraction is greater: 4/11 or 3/8? (a) 3/8 (b) 4/11 (c) They are equal
  29. 29.7/9 + 1/2 = ? (a) 11/9 (b) 4/3 (c) 23/18 (d) 8/11
  30. 30.What is 1/3 of 12? (a) 8 (b) 4 (c) 3 (d) 5
  31. 31.Which fraction is greater: 3/5 or 8/9? (a) They are equal (b) 3/5 (c) 8/9
  32. 32.What is 2/5 of 45? (a) 18 (b) 27 (c) 19 (d) 9
  33. 33.4/6 + 8/9 = ? (a) 3/2 (b) 14/9 (c) 29/18 (d) 4/5
  34. 34.Which fraction is greater: 9/11 or 5/9? (a) They are equal (b) 5/9 (c) 9/11
  35. 35.Which fraction is greater: 6/11 or 1/4? (a) They are equal (b) 1/4 (c) 6/11
  36. 36.1/6 + 3/8 = ? (a) 7/12 (b) 13/24 (c) 2/7 (d) 1/2
  37. 37.1/9 + 1/2 = ? (a) 2/3 (b) 11/18 (c) 5/9 (d) 2/11
  38. 38.What is 8/9 of 72? (a) 64 (b) 65 (c) 8 (d) 72
  39. 39.1/2 + 6/8 = ? (a) 7/10 (b) 5/4 (c) 9/8 (d) 11/8
  40. 40.1/7 + 5/7 = ? (a) 5/7 (b) 1 (c) 3/7 (d) 6/7

Answer key

  1. 3/4
  2. 1
  3. 5/7
  4. 18
  5. 12
  6. 13/15
  7. 1
  8. 12/35
  9. 2/3
  10. 40
  11. 27
  12. 11/8
  13. 7/10
  14. 36
  15. 7/12
  16. 3
  17. 7/8
  18. 3/7
  19. 22
  20. 45/28
  21. 5
  22. 30
  23. 1/3
  24. 5/11
  25. 1/5
  26. 3/4
  27. 19/35
  28. 3/8
  29. 23/18
  30. 4
  31. 8/9
  32. 18
  33. 14/9
  34. 9/11
  35. 6/11
  36. 13/24
  37. 11/18
  38. 64
  39. 5/4
  40. 6/7

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