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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 62 · 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 10/15 in its simplest form. =
  2. 2.Write 35/40 in its simplest form. =
  3. 3.What is the HCF of 16 and 18?
  4. 4.Write 15/35 in its simplest form. =
  5. 5.Is 35/40 in its simplest form? (a) No (b) Yes
  6. 6.Write 14/35 in its simplest form. =
  7. 7.Is 3/30 in its simplest form? (a) No (b) Yes
  8. 8.Is 1/9 in its simplest form? (a) No (b) Yes
  9. 9.Is 15/27 in its simplest form? (a) Yes (b) No
  10. 10.What is the HCF of 6 and 10?
  11. 11.Is 9/30 in its simplest form? (a) Yes (b) No
  12. 12.Is 5/8 in its simplest form? (a) No (b) Yes
  13. 13.Is 1/7 in its simplest form? (a) Yes (b) No
  14. 14.What is the HCF of 6 and 30?
  15. 15.What is the HCF of 15 and 25?
  16. 16.Write 18/60 in its simplest form. =
  17. 17.Write 6/15 in its simplest form. =
  18. 18.Write 14/20 in its simplest form. =
  19. 19.Write 16/24 in its simplest form. =
  20. 20.Write 27/36 in its simplest form. =
  21. 21.What is the HCF of 63 and 90?
  22. 22.Is 2/16 in its simplest form? (a) Yes (b) No
  23. 23.Write 12/42 in its simplest form. =
  24. 24.What is the HCF of 35 and 42?
  25. 25.What is the HCF of 35 and 45?
  26. 26.What is the HCF of 21 and 70?
  27. 27.What is the HCF of 9 and 24?
  28. 28.Write 40/64 in its simplest form. =
  29. 29.Is 3/21 in its simplest form? (a) No (b) Yes
  30. 30.Write 28/49 in its simplest form. =
  31. 31.What is the HCF of 15 and 24?
  32. 32.Write 8/10 in its simplest form. =
  33. 33.What is the HCF of 15 and 35?
  34. 34.Is 2/6 in its simplest form? (a) No (b) Yes
  35. 35.Write 42/48 in its simplest form. =
  36. 36.What is the HCF of 35 and 56?
  37. 37.Write 35/49 in its simplest form. =
  38. 38.Is 2/7 in its simplest form? (a) No (b) Yes
  39. 39.Is 2/8 in its simplest form? (a) No (b) Yes
  40. 40.Is 10/14 in its simplest form? (a) No (b) Yes

Answer key

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

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