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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 1 · 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.What is 6/7 of 77? (a) 66 (b) 77 (c) 67 (d) 11
  2. 2.Which fraction is greater: 9/10 or 1/8? (a) 1/8 (b) They are equal (c) 9/10
  3. 3.Which fraction is greater: 5/8 or 2/7? (a) They are equal (b) 2/7 (c) 5/8
  4. 4.Which fraction is greater: 4/7 or 4/9? (a) They are equal (b) 4/7 (c) 4/9
  5. 5.Which fraction is greater: 2/7 or 3/4? (a) 2/7 (b) They are equal (c) 3/4
  6. 6.Which fraction is greater: 4/5 or 1/10? (a) 1/10 (b) They are equal (c) 4/5
  7. 7.Which fraction is greater: 1/3 or 5/12? (a) 5/12 (b) 1/3 (c) They are equal
  8. 8.2/8 + 1/2 = ? (a) 5/8 (b) 3/4 (c) 3/10 (d) 7/8
  9. 9.Which fraction is greater: 4/11 or 2/7? (a) 2/7 (b) 4/11 (c) They are equal
  10. 10.What is 7/9 of 72? (a) 8 (b) 16 (c) 56 (d) 64
  11. 11.2/7 + 3/4 = ? (a) 5/11 (b) 1 (c) 29/28 (d) 15/14
  12. 12.3/7 + 3/4 = ? (a) 6/11 (b) 8/7 (c) 17/14 (d) 33/28
  13. 13.Which fraction is greater: 5/6 or 1/5? (a) 1/5 (b) They are equal (c) 5/6
  14. 14.Which fraction is greater: 7/11 or 1/3? (a) They are equal (b) 1/3 (c) 7/11
  15. 15.1/2 + 2/3 = ? (a) 3/5 (b) 7/6 (c) 1 (d) 4/3
  16. 16.What is 1/2 of 22? (a) 10 (b) 22 (c) 12 (d) 11
  17. 17.What is 1/8 of 48? (a) 7 (b) 12 (c) 42 (d) 6
  18. 18.What is 1/2 of 12? (a) 5 (b) 7 (c) 12 (d) 6
  19. 19.Which fraction is greater: 1/6 or 2/3? (a) 1/6 (b) They are equal (c) 2/3
  20. 20.What is 4/7 of 21? (a) 3 (b) 9 (c) 15 (d) 12
  21. 21.What is 2/3 of 12? (a) 12 (b) 9 (c) 8 (d) 4
  22. 22.3/7 + 2/3 = ? (a) 23/21 (b) 8/7 (c) 1/2 (d) 22/21
  23. 23.What is 2/5 of 10? (a) 2 (b) 6 (c) 5 (d) 4
  24. 24.What is 5/7 of 70? (a) 20 (b) 50 (c) 60 (d) 10
  25. 25.6/7 + 3/5 = ? (a) 51/35 (b) 3/4 (c) 10/7 (d) 52/35
  26. 26.What is 1/2 of 18? (a) 9 (b) 8 (c) 10 (d) 18
  27. 27.1/8 + 1/4 = ? (a) 1/2 (b) 1/4 (c) 3/8 (d) 1/6
  28. 28.Which fraction is greater: 3/11 or 3/10? (a) They are equal (b) 3/10 (c) 3/11
  29. 29.Which fraction is greater: 3/4 or 2/7? (a) They are equal (b) 2/7 (c) 3/4
  30. 30.1/2 + 7/8 = ? (a) 11/8 (b) 5/4 (c) 4/5 (d) 3/2
  31. 31.1/3 + 3/4 = ? (a) 4/7 (b) 7/6 (c) 1 (d) 13/12
  32. 32.2/5 + 1/2 = ? (a) 1 (b) 3/7 (c) 9/10 (d) 4/5
  33. 33.2/3 + 1/2 = ? (a) 1 (b) 4/3 (c) 7/6 (d) 3/5
  34. 34.6/8 + 1/2 = ? (a) 5/4 (b) 7/10 (c) 9/8 (d) 11/8
  35. 35.What is 8/9 of 27? (a) 27 (b) 25 (c) 24 (d) 3
  36. 36.1/2 + 2/4 = ? (a) 3/4 (b) 5/4 (c) 1/2 (d) 1
  37. 37.What is 2/7 of 49? (a) 35 (b) 7 (c) 21 (d) 14
  38. 38.Which fraction is greater: 2/11 or 1/8? (a) They are equal (b) 2/11 (c) 1/8
  39. 39.Which fraction is greater: 3/10 or 7/12? (a) 3/10 (b) They are equal (c) 7/12
  40. 40.Which fraction is greater: 2/5 or 1/7? (a) They are equal (b) 2/5 (c) 1/7

Answer key

  1. 66
  2. 9/10
  3. 5/8
  4. 4/7
  5. 3/4
  6. 4/5
  7. 5/12
  8. 3/4
  9. 4/11
  10. 56
  11. 29/28
  12. 33/28
  13. 5/6
  14. 7/11
  15. 7/6
  16. 11
  17. 6
  18. 6
  19. 2/3
  20. 12
  21. 8
  22. 23/21
  23. 4
  24. 50
  25. 51/35
  26. 9
  27. 3/8
  28. 3/10
  29. 3/4
  30. 11/8
  31. 13/12
  32. 9/10
  33. 7/6
  34. 5/4
  35. 24
  36. 1
  37. 14
  38. 2/11
  39. 7/12
  40. 2/5

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