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Fractions Worksheet for Maths Olympiad Class 5

Maths Olympiad topic 9: Fractions · Set 667 · 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. 1.1/2 + 1/2 = ? (a) 2 (b) 1/2 (c) 3/2 (d) 1
  2. 2.3/4 + 2/3 = ? (a) 3/2 (b) 5/7 (c) 17/12 (d) 4/3
  3. 3.1/2 + 5/7 = ? (a) 17/14 (b) 2/3 (c) 9/7 (d) 8/7
  4. 4.What is 1/3 of 33? (a) 10 (b) 11 (c) 22 (d) 12
  5. 5.Which fraction is greater: 2/5 or 6/11? (a) They are equal (b) 6/11 (c) 2/5
  6. 6.What is 1/7 of 49? (a) 42 (b) 7 (c) 8 (d) 14
  7. 7.1/2 + 3/4 = ? (a) 1 (b) 3/2 (c) 5/4 (d) 2/3
  8. 8.2/5 + 6/7 = ? (a) 2/3 (b) 44/35 (c) 9/7 (d) 43/35
  9. 9.What is 3/7 of 21? (a) 9 (b) 12 (c) 10 (d) 3
  10. 10.Which fraction is greater: 1/4 or 2/3? (a) 2/3 (b) 1/4 (c) They are equal
  11. 11.Which fraction is greater: 1/3 or 2/9? (a) 1/3 (b) 2/9 (c) They are equal
  12. 12.1/2 + 5/6 = ? (a) 3/2 (b) 4/3 (c) 7/6 (d) 3/4
  13. 13.Which fraction is greater: 1/3 or 3/5? (a) 3/5 (b) They are equal (c) 1/3
  14. 14.What is 5/7 of 28? (a) 4 (b) 20 (c) 8 (d) 24
  15. 15.2/7 + 2/5 = ? (a) 1/3 (b) 5/7 (c) 24/35 (d) 23/35
  16. 16.Which fraction is greater: 1/11 or 4/9? (a) 1/11 (b) They are equal (c) 4/9
  17. 17.Which fraction is greater: 5/8 or 2/5? (a) 5/8 (b) 2/5 (c) They are equal
  18. 18.1/3 + 5/7 = ? (a) 1 (b) 22/21 (c) 3/5 (d) 23/21
  19. 19.What is 3/7 of 56? (a) 32 (b) 25 (c) 8 (d) 24
  20. 20.Which fraction is greater: 9/10 or 3/7? (a) 9/10 (b) They are equal (c) 3/7
  21. 21.Which fraction is greater: 1/3 or 1/4? (a) 1/3 (b) They are equal (c) 1/4
  22. 22.2/4 + 1/7 = ? (a) 3/11 (b) 19/28 (c) 17/28 (d) 9/14
  23. 23.Which fraction is greater: 3/4 or 2/7? (a) 2/7 (b) They are equal (c) 3/4
  24. 24.What is 1/2 of 14? (a) 14 (b) 7 (c) 8 (d) 6
  25. 25.Which fraction is greater: 1/5 or 2/7? (a) 1/5 (b) 2/7 (c) They are equal
  26. 26.What is 8/9 of 63? (a) 63 (b) 7 (c) 57 (d) 56
  27. 27.What is 1/5 of 25? (a) 20 (b) 10 (c) 6 (d) 5
  28. 28.Which fraction is greater: 5/11 or 4/9? (a) 5/11 (b) They are equal (c) 4/9
  29. 29.What is 2/3 of 30? (a) 30 (b) 10 (c) 21 (d) 20
  30. 30.Which fraction is greater: 7/8 or 1/3? (a) They are equal (b) 7/8 (c) 1/3
  31. 31.What is 7/9 of 54? (a) 42 (b) 12 (c) 6 (d) 48
  32. 32.2/3 + 2/5 = ? (a) 17/15 (b) 1 (c) 16/15 (d) 1/2
  33. 33.1/3 + 7/8 = ? (a) 5/4 (b) 8/11 (c) 7/6 (d) 29/24
  34. 34.1/3 + 6/8 = ? (a) 13/12 (b) 7/11 (c) 9/8 (d) 25/24
  35. 35.2/7 + 1/2 = ? (a) 6/7 (b) 5/7 (c) 1/3 (d) 11/14
  36. 36.Which fraction is greater: 6/7 or 3/8? (a) 3/8 (b) They are equal (c) 6/7
  37. 37.Which fraction is greater: 6/11 or 1/9? (a) 1/9 (b) They are equal (c) 6/11
  38. 38.What is 1/8 of 80? (a) 70 (b) 10 (c) 11 (d) 20
  39. 39.Which fraction is greater: 1/7 or 1/3? (a) 1/7 (b) They are equal (c) 1/3
  40. 40.2/6 + 8/9 = ? (a) 7/6 (b) 23/18 (c) 11/9 (d) 2/3

Answer key

  1. 1
  2. 17/12
  3. 17/14
  4. 11
  5. 6/11
  6. 7
  7. 5/4
  8. 44/35
  9. 9
  10. 2/3
  11. 1/3
  12. 4/3
  13. 3/5
  14. 20
  15. 24/35
  16. 4/9
  17. 5/8
  18. 22/21
  19. 24
  20. 9/10
  21. 1/3
  22. 9/14
  23. 3/4
  24. 7
  25. 2/7
  26. 56
  27. 5
  28. 5/11
  29. 20
  30. 7/8
  31. 42
  32. 16/15
  33. 29/24
  34. 13/12
  35. 11/14
  36. 6/7
  37. 6/11
  38. 10
  39. 1/3
  40. 11/9

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