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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 641 · 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 35/45 in its simplest form. =
  2. 2.Write 36/63 in its simplest form. =
  3. 3.What is the HCF of 5 and 25?
  4. 4.What is the HCF of 9 and 27?
  5. 5.Is 9/10 in its simplest form? (a) No (b) Yes
  6. 6.What is the HCF of 28 and 32?
  7. 7.What is the HCF of 16 and 20?
  8. 8.What is the HCF of 56 and 72?
  9. 9.Write 18/48 in its simplest form. =
  10. 10.What is the HCF of 25 and 45?
  11. 11.What is the HCF of 18 and 27?
  12. 12.Write 12/15 in its simplest form. =
  13. 13.What is the HCF of 10 and 16?
  14. 14.Is 12/18 in its simplest form? (a) Yes (b) No
  15. 15.Is 9/15 in its simplest form? (a) No (b) Yes
  16. 16.What is the HCF of 48 and 56?
  17. 17.Write 2/20 in its simplest form. =
  18. 18.Write 6/9 in its simplest form. =
  19. 19.Write 8/10 in its simplest form. =
  20. 20.What is the HCF of 49 and 56?
  21. 21.What is the HCF of 24 and 30?
  22. 22.Write 18/20 in its simplest form. =
  23. 23.Write 12/27 in its simplest form. =
  24. 24.Write 6/20 in its simplest form. =
  25. 25.Is 6/60 in its simplest form? (a) Yes (b) No
  26. 26.What is the HCF of 10 and 25?
  27. 27.Write 45/72 in its simplest form. =
  28. 28.What is the HCF of 16 and 24?
  29. 29.Write 27/45 in its simplest form. =
  30. 30.What is the HCF of 18 and 63?
  31. 31.What is the HCF of 30 and 35?
  32. 32.Write 4/32 in its simplest form. =
  33. 33.Is 4/9 in its simplest form? (a) No (b) Yes
  34. 34.Write 24/30 in its simplest form. =
  35. 35.What is the HCF of 7 and 42?
  36. 36.What is the HCF of 4 and 10?
  37. 37.Write 45/54 in its simplest form. =
  38. 38.What is the HCF of 9 and 45?
  39. 39.Write 35/42 in its simplest form. =
  40. 40.What is the HCF of 24 and 42?

Answer key

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

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