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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 689 · 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 3/8 in its simplest form? (a) No (b) Yes
  2. 2.Write 63/90 in its simplest form. =
  3. 3.Write 24/27 in its simplest form. =
  4. 4.Is 3/10 in its simplest form? (a) No (b) Yes
  5. 5.Is 3/7 in its simplest form? (a) Yes (b) No
  6. 6.What is the HCF of 7 and 14?
  7. 7.Write 18/20 in its simplest form. =
  8. 8.Write 32/72 in its simplest form. =
  9. 9.What is the HCF of 40 and 48?
  10. 10.What is the HCF of 15 and 35?
  11. 11.What is the HCF of 4 and 8?
  12. 12.What is the HCF of 12 and 14?
  13. 13.What is the HCF of 42 and 49?
  14. 14.Write 63/72 in its simplest form. =
  15. 15.What is the HCF of 10 and 45?
  16. 16.Is 4/7 in its simplest form? (a) Yes (b) No
  17. 17.What is the HCF of 24 and 42?
  18. 18.Write 6/8 in its simplest form. =
  19. 19.Write 45/81 in its simplest form. =
  20. 20.Write 12/20 in its simplest form. =
  21. 21.Write 32/40 in its simplest form. =
  22. 22.What is the HCF of 48 and 54?
  23. 23.Is 1/4 in its simplest form? (a) No (b) Yes
  24. 24.What is the HCF of 25 and 35?
  25. 25.What is the HCF of 2 and 12?
  26. 26.Write 14/18 in its simplest form. =
  27. 27.Is 3/4 in its simplest form? (a) Yes (b) No
  28. 28.Write 4/10 in its simplest form. =
  29. 29.Write 21/27 in its simplest form. =
  30. 30.Write 20/45 in its simplest form. =
  31. 31.Write 3/18 in its simplest form. =
  32. 32.Is 28/36 in its simplest form? (a) No (b) Yes
  33. 33.Is 2/9 in its simplest form? (a) Yes (b) No
  34. 34.Write 63/70 in its simplest form. =
  35. 35.Is 10/35 in its simplest form? (a) Yes (b) No
  36. 36.Is 4/6 in its simplest form? (a) No (b) Yes
  37. 37.Write 21/70 in its simplest form. =
  38. 38.Is 8/28 in its simplest form? (a) No (b) Yes
  39. 39.What is the HCF of 21 and 56?
  40. 40.Write 12/30 in its simplest form. =

Answer key

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

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