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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 588 · 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: 7/8 or 3/5? (a) They are equal (b) 7/8 (c) 3/5
  2. 2.What is 1/2 of 18? (a) 9 (b) 8 (c) 18 (d) 10
  3. 3.Which fraction is greater: 1/3 or 1/7? (a) 1/7 (b) They are equal (c) 1/3
  4. 4.3/8 + 1/4 = ? (a) 5/8 (b) 3/4 (c) 1/3 (d) 1/2
  5. 5.Which fraction is greater: 2/5 or 1/7? (a) 1/7 (b) They are equal (c) 2/5
  6. 6.3/6 + 1/3 = ? (a) 5/6 (b) 4/9 (c) 1 (d) 2/3
  7. 7.Which fraction is greater: 4/5 or 2/3? (a) 2/3 (b) 4/5 (c) They are equal
  8. 8.Which fraction is greater: 1/3 or 3/5? (a) 1/3 (b) 3/5 (c) They are equal
  9. 9.What is 3/8 of 40? (a) 25 (b) 15 (c) 20 (d) 5
  10. 10.Which fraction is greater: 5/12 or 2/11? (a) They are equal (b) 5/12 (c) 2/11
  11. 11.What is 7/8 of 24? (a) 21 (b) 22 (c) 3 (d) 24
  12. 12.Which fraction is greater: 7/9 or 1/3? (a) They are equal (b) 7/9 (c) 1/3
  13. 13.What is 2/3 of 6? (a) 2 (b) 5 (c) 6 (d) 4
  14. 14.5/6 + 1/3 = ? (a) 7/6 (b) 1 (c) 4/3 (d) 2/3
  15. 15.Which fraction is greater: 5/6 or 7/10? (a) They are equal (b) 7/10 (c) 5/6
  16. 16.What is 6/7 of 21? (a) 18 (b) 3 (c) 21 (d) 19
  17. 17.What is 3/5 of 50? (a) 30 (b) 10 (c) 20 (d) 40
  18. 18.Which fraction is greater: 1/3 or 5/6? (a) They are equal (b) 5/6 (c) 1/3
  19. 19.What is 1/2 of 10? (a) 4 (b) 6 (c) 10 (d) 5
  20. 20.2/7 + 1/2 = ? (a) 5/7 (b) 11/14 (c) 6/7 (d) 1/3
  21. 21.What is 1/4 of 24? (a) 7 (b) 12 (c) 6 (d) 18
  22. 22.3/5 + 2/5 = ? (a) 1/2 (b) 6/5 (c) 4/5 (d) 1
  23. 23.1/2 + 8/9 = ? (a) 9/11 (b) 4/3 (c) 13/9 (d) 25/18
  24. 24.1/8 + 2/3 = ? (a) 3/11 (b) 3/4 (c) 19/24 (d) 5/6
  25. 25.2/5 + 1/5 = ? (a) 3/10 (b) 2/5 (c) 4/5 (d) 3/5
  26. 26.6/7 + 2/3 = ? (a) 11/7 (b) 31/21 (c) 4/5 (d) 32/21
  27. 27.Which fraction is greater: 7/9 or 2/3? (a) 2/3 (b) 7/9 (c) They are equal
  28. 28.Which fraction is greater: 5/6 or 1/3? (a) They are equal (b) 1/3 (c) 5/6
  29. 29.2/3 + 1/3 = ? (a) 1 (b) 1/2 (c) 2/3 (d) 4/3
  30. 30.Which fraction is greater: 1/4 or 5/8? (a) 5/8 (b) They are equal (c) 1/4
  31. 31.What is 1/3 of 6? (a) 2 (b) 3 (c) 4 (d) 1
  32. 32.What is 2/3 of 33? (a) 22 (b) 23 (c) 33 (d) 11
  33. 33.What is 5/7 of 49? (a) 14 (b) 7 (c) 35 (d) 42
  34. 34.What is 4/5 of 60? (a) 12 (b) 48 (c) 60 (d) 49
  35. 35.What is 1/2 of 16? (a) 8 (b) 9 (c) 16 (d) 7
  36. 36.Which fraction is greater: 9/10 or 1/9? (a) They are equal (b) 9/10 (c) 1/9
  37. 37.1/3 + 3/7 = ? (a) 17/21 (b) 5/7 (c) 16/21 (d) 2/5
  38. 38.What is 1/3 of 36? (a) 13 (b) 11 (c) 24 (d) 12
  39. 39.What is 5/7 of 56? (a) 8 (b) 40 (c) 48 (d) 16
  40. 40.1/2 + 1/7 = ? (a) 2/9 (b) 9/14 (c) 5/7 (d) 4/7

Answer key

  1. 7/8
  2. 9
  3. 1/3
  4. 5/8
  5. 2/5
  6. 5/6
  7. 4/5
  8. 3/5
  9. 15
  10. 5/12
  11. 21
  12. 7/9
  13. 4
  14. 7/6
  15. 5/6
  16. 18
  17. 30
  18. 5/6
  19. 5
  20. 11/14
  21. 6
  22. 1
  23. 25/18
  24. 19/24
  25. 3/5
  26. 32/21
  27. 7/9
  28. 5/6
  29. 1
  30. 5/8
  31. 2
  32. 22
  33. 35
  34. 48
  35. 8
  36. 9/10
  37. 16/21
  38. 12
  39. 40
  40. 9/14

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