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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 898 · 40 questions
TalentJR

The method (Divide by the HCF): Find the HCF (highest common factor) of the top and the bottom. Divide the top and the bottom by the HCF. If the HCF is 1, the fraction is already in its simplest form.

NameDateTime takenScore ___ / 40
  1. 1.Is 5/8 in its simplest form? (a) Yes (b) No
  2. 2.What is the HCF of 49 and 63?
  3. 3.Is 12/20 in its simplest form? (a) No (b) Yes
  4. 4.Write 7/28 in its simplest form. =
  5. 5.Write 4/10 in its simplest form. =
  6. 6.Write 6/30 in its simplest form. =
  7. 7.What is the HCF of 15 and 50?
  8. 8.Write 2/10 in its simplest form. =
  9. 9.Write 10/18 in its simplest form. =
  10. 10.What is the HCF of 4 and 20?
  11. 11.Is 5/6 in its simplest form? (a) No (b) Yes
  12. 12.Write 28/40 in its simplest form. =
  13. 13.What is the HCF of 63 and 81?
  14. 14.What is the HCF of 6 and 14?
  15. 15.What is the HCF of 24 and 28?
  16. 16.Write 36/40 in its simplest form. =
  17. 17.What is the HCF of 4 and 16?
  18. 18.Write 56/63 in its simplest form. =
  19. 19.Is 6/54 in its simplest form? (a) Yes (b) No
  20. 20.Write 25/45 in its simplest form. =
  21. 21.What is the HCF of 7 and 56?
  22. 22.Write 12/14 in its simplest form. =
  23. 23.Is 2/10 in its simplest form? (a) Yes (b) No
  24. 24.Write 8/18 in its simplest form. =
  25. 25.What is the HCF of 24 and 80?
  26. 26.What is the HCF of 4 and 40?
  27. 27.What is the HCF of 45 and 54?
  28. 28.What is the HCF of 25 and 35?
  29. 29.What is the HCF of 14 and 16?
  30. 30.Is 12/40 in its simplest form? (a) No (b) Yes
  31. 31.What is the HCF of 2 and 10?
  32. 32.Write 2/6 in its simplest form. =
  33. 33.Is 2/3 in its simplest form? (a) No (b) Yes
  34. 34.Is 30/54 in its simplest form? (a) No (b) Yes
  35. 35.Write 54/60 in its simplest form. =
  36. 36.What is the HCF of 8 and 16?
  37. 37.What is the HCF of 2 and 8?
  38. 38.Is 9/21 in its simplest form? (a) No (b) Yes
  39. 39.Write 40/45 in its simplest form. =
  40. 40.What is the HCF of 12 and 27?

Answer key

  1. Yes
  2. 7
  3. No
  4. 1/4
  5. 2/5
  6. 1/5
  7. 5
  8. 1/5
  9. 5/9
  10. 4
  11. Yes
  12. 7/10
  13. 9
  14. 2
  15. 4
  16. 9/10
  17. 4
  18. 8/9
  19. No
  20. 5/9
  21. 7
  22. 6/7
  23. No
  24. 4/9
  25. 8
  26. 4
  27. 9
  28. 5
  29. 2
  30. No
  31. 2
  32. 1/3
  33. Yes
  34. No
  35. 9/10
  36. 8
  37. 2
  38. No
  39. 8/9
  40. 3

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