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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 449 · 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 2/7 in its simplest form? (a) No (b) Yes
  2. 2.Write 49/63 in its simplest form. =
  3. 3.What is the HCF of 9 and 27?
  4. 4.Write 8/14 in its simplest form. =
  5. 5.Is 2/5 in its simplest form? (a) Yes (b) No
  6. 6.Write 5/10 in its simplest form. =
  7. 7.Write 6/14 in its simplest form. =
  8. 8.Is 18/30 in its simplest form? (a) Yes (b) No
  9. 9.What is the HCF of 8 and 28?
  10. 10.Is 2/3 in its simplest form? (a) Yes (b) No
  11. 11.What is the HCF of 5 and 35?
  12. 12.Is 15/27 in its simplest form? (a) Yes (b) No
  13. 13.Write 6/54 in its simplest form. =
  14. 14.What is the HCF of 16 and 20?
  15. 15.Write 16/20 in its simplest form. =
  16. 16.Write 21/56 in its simplest form. =
  17. 17.What is the HCF of 18 and 24?
  18. 18.Is 30/54 in its simplest form? (a) Yes (b) No
  19. 19.Is 3/8 in its simplest form? (a) No (b) Yes
  20. 20.What is the HCF of 2 and 20?
  21. 21.Is 7/8 in its simplest form? (a) No (b) Yes
  22. 22.Write 7/63 in its simplest form. =
  23. 23.Write 6/8 in its simplest form. =
  24. 24.What is the HCF of 5 and 50?
  25. 25.Is 6/30 in its simplest form? (a) No (b) Yes
  26. 26.Write 49/56 in its simplest form. =
  27. 27.Write 2/14 in its simplest form. =
  28. 28.What is the HCF of 3 and 6?
  29. 29.Is 4/7 in its simplest form? (a) No (b) Yes
  30. 30.Write 4/16 in its simplest form. =
  31. 31.What is the HCF of 6 and 36?
  32. 32.What is the HCF of 15 and 24?
  33. 33.Is 5/7 in its simplest form? (a) No (b) Yes
  34. 34.Write 21/24 in its simplest form. =
  35. 35.Is 9/30 in its simplest form? (a) No (b) Yes
  36. 36.What is the HCF of 35 and 42?
  37. 37.Is 4/5 in its simplest form? (a) Yes (b) No
  38. 38.What is the HCF of 49 and 63?
  39. 39.Write 2/8 in its simplest form. =
  40. 40.What is the HCF of 7 and 14?

Answer key

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

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