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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 972 · 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 3/10? (a) 3/10 (b) They are equal (c) 3/4
  2. 2.1/3 + 2/8 = ? (a) 13/24 (b) 5/8 (c) 3/11 (d) 7/12
  3. 3.Which fraction is greater: 4/7 or 8/9? (a) 8/9 (b) They are equal (c) 4/7
  4. 4.What is 3/5 of 10? (a) 6 (b) 4 (c) 2 (d) 8
  5. 5.Which fraction is greater: 1/8 or 3/4? (a) 1/8 (b) They are equal (c) 3/4
  6. 6.What is 1/3 of 36? (a) 24 (b) 12 (c) 13 (d) 11
  7. 7.Which fraction is greater: 2/7 or 1/12? (a) 1/12 (b) They are equal (c) 2/7
  8. 8.Which fraction is greater: 1/5 or 1/3? (a) They are equal (b) 1/3 (c) 1/5
  9. 9.2/5 + 3/7 = ? (a) 6/7 (b) 5/12 (c) 4/5 (d) 29/35
  10. 10.Which fraction is greater: 2/3 or 1/5? (a) They are equal (b) 2/3 (c) 1/5
  11. 11.Which fraction is greater: 11/12 or 4/7? (a) 11/12 (b) 4/7 (c) They are equal
  12. 12.4/6 + 3/8 = ? (a) 1 (b) 1/2 (c) 13/12 (d) 25/24
  13. 13.1/9 + 2/3 = ? (a) 1/4 (b) 8/9 (c) 2/3 (d) 7/9
  14. 14.What is 3/8 of 80? (a) 50 (b) 40 (c) 30 (d) 10
  15. 15.Which fraction is greater: 1/10 or 5/6? (a) 1/10 (b) 5/6 (c) They are equal
  16. 16.Which fraction is greater: 3/7 or 1/5? (a) 3/7 (b) They are equal (c) 1/5
  17. 17.Which fraction is greater: 2/3 or 5/6? (a) They are equal (b) 5/6 (c) 2/3
  18. 18.3/7 + 2/4 = ? (a) 5/11 (b) 27/28 (c) 25/28 (d) 13/14
  19. 19.1/2 + 2/6 = ? (a) 1 (b) 3/8 (c) 2/3 (d) 5/6
  20. 20.Which fraction is greater: 1/7 or 1/3? (a) They are equal (b) 1/7 (c) 1/3
  21. 21.What is 1/2 of 10? (a) 6 (b) 5 (c) 4 (d) 10
  22. 22.What is 1/2 of 4? (a) 4 (b) 1 (c) 3 (d) 2
  23. 23.Which fraction is greater: 8/11 or 3/4? (a) 3/4 (b) 8/11 (c) They are equal
  24. 24.What is 1/4 of 12? (a) 4 (b) 6 (c) 3 (d) 9
  25. 25.Which fraction is greater: 8/11 or 2/5? (a) 8/11 (b) 2/5 (c) They are equal
  26. 26.7/9 + 1/9 = ? (a) 1 (b) 7/9 (c) 4/9 (d) 8/9
  27. 27.Which fraction is greater: 4/5 or 6/7? (a) They are equal (b) 6/7 (c) 4/5
  28. 28.Which fraction is greater: 5/12 or 1/3? (a) They are equal (b) 1/3 (c) 5/12
  29. 29.7/8 + 1/4 = ? (a) 1 (b) 9/8 (c) 5/4 (d) 2/3
  30. 30.Which fraction is greater: 5/12 or 8/11? (a) They are equal (b) 8/11 (c) 5/12
  31. 31.What is 1/8 of 40? (a) 10 (b) 5 (c) 6 (d) 35
  32. 32.What is 5/7 of 21? (a) 6 (b) 15 (c) 3 (d) 18
  33. 33.Which fraction is greater: 1/8 or 3/10? (a) They are equal (b) 1/8 (c) 3/10
  34. 34.4/9 + 3/4 = ? (a) 11/9 (b) 43/36 (c) 7/6 (d) 7/13
  35. 35.What is 1/2 of 16? (a) 7 (b) 9 (c) 16 (d) 8
  36. 36.Which fraction is greater: 1/6 or 2/3? (a) They are equal (b) 1/6 (c) 2/3
  37. 37.Which fraction is greater: 7/8 or 1/4? (a) 1/4 (b) They are equal (c) 7/8
  38. 38.2/3 + 3/8 = ? (a) 5/11 (b) 1 (c) 25/24 (d) 13/12
  39. 39.3/7 + 1/7 = ? (a) 3/7 (b) 5/7 (c) 4/7 (d) 2/7
  40. 40.2/3 + 1/3 = ? (a) 1 (b) 4/3 (c) 2/3 (d) 1/2

Answer key

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

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