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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 341 · 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.Write 4/8 in its simplest form. =
  2. 2.Is 6/12 in its simplest form? (a) Yes (b) No
  3. 3.What is the HCF of 6 and 48?
  4. 4.What is the HCF of 4 and 32?
  5. 5.What is the HCF of 14 and 16?
  6. 6.Is 9/24 in its simplest form? (a) Yes (b) No
  7. 7.Write 28/35 in its simplest form. =
  8. 8.What is the HCF of 12 and 14?
  9. 9.Is 25/30 in its simplest form? (a) Yes (b) No
  10. 10.What is the HCF of 4 and 16?
  11. 11.Write 14/21 in its simplest form. =
  12. 12.What is the HCF of 7 and 21?
  13. 13.Write 4/36 in its simplest form. =
  14. 14.What is the HCF of 6 and 24?
  15. 15.What is the HCF of 7 and 56?
  16. 16.What is the HCF of 21 and 70?
  17. 17.Is 3/12 in its simplest form? (a) No (b) Yes
  18. 18.What is the HCF of 36 and 42?
  19. 19.What is the HCF of 4 and 12?
  20. 20.Is 7/9 in its simplest form? (a) No (b) Yes
  21. 21.Write 14/18 in its simplest form. =
  22. 22.Is 6/9 in its simplest form? (a) Yes (b) No
  23. 23.Write 7/35 in its simplest form. =
  24. 24.Write 25/35 in its simplest form. =
  25. 25.Write 9/18 in its simplest form. =
  26. 26.Is 1/5 in its simplest form? (a) Yes (b) No
  27. 27.Write 2/12 in its simplest form. =
  28. 28.Write 3/12 in its simplest form. =
  29. 29.Write 56/64 in its simplest form. =
  30. 30.What is the HCF of 21 and 28?
  31. 31.What is the HCF of 2 and 14?
  32. 32.What is the HCF of 6 and 20?
  33. 33.Is 5/20 in its simplest form? (a) No (b) Yes
  34. 34.What is the HCF of 4 and 6?
  35. 35.Is 1/8 in its simplest form? (a) No (b) Yes
  36. 36.What is the HCF of 12 and 30?
  37. 37.Write 2/10 in its simplest form. =
  38. 38.Is 1/10 in its simplest form? (a) No (b) Yes
  39. 39.What is the HCF of 45 and 81?
  40. 40.What is the HCF of 20 and 25?

Answer key

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

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