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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 133 · 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.What is the HCF of 6 and 8?
  2. 2.Is 1/7 in its simplest form? (a) Yes (b) No
  3. 3.Is 18/24 in its simplest form? (a) No (b) Yes
  4. 4.Is 3/30 in its simplest form? (a) Yes (b) No
  5. 5.Write 27/30 in its simplest form. =
  6. 6.Write 35/40 in its simplest form. =
  7. 7.Write 6/20 in its simplest form. =
  8. 8.Write 18/24 in its simplest form. =
  9. 9.What is the HCF of 21 and 24?
  10. 10.Write 40/45 in its simplest form. =
  11. 11.What is the HCF of 8 and 14?
  12. 12.Is 1/8 in its simplest form? (a) No (b) Yes
  13. 13.Is 7/9 in its simplest form? (a) Yes (b) No
  14. 14.What is the HCF of 6 and 14?
  15. 15.Write 6/15 in its simplest form. =
  16. 16.Write 30/48 in its simplest form. =
  17. 17.Write 9/54 in its simplest form. =
  18. 18.Is 1/5 in its simplest form? (a) Yes (b) No
  19. 19.Write 6/42 in its simplest form. =
  20. 20.What is the HCF of 9 and 63?
  21. 21.Is 5/10 in its simplest form? (a) No (b) Yes
  22. 22.What is the HCF of 35 and 40?
  23. 23.Is 9/15 in its simplest form? (a) Yes (b) No
  24. 24.Is 30/54 in its simplest form? (a) Yes (b) No
  25. 25.Write 6/21 in its simplest form. =
  26. 26.Is 10/18 in its simplest form? (a) No (b) Yes
  27. 27.What is the HCF of 15 and 27?
  28. 28.What is the HCF of 10 and 14?
  29. 29.Write 12/15 in its simplest form. =
  30. 30.What is the HCF of 18 and 24?
  31. 31.Write 30/35 in its simplest form. =
  32. 32.Write 45/50 in its simplest form. =
  33. 33.What is the HCF of 9 and 30?
  34. 34.Is 1/9 in its simplest form? (a) No (b) Yes
  35. 35.Write 27/36 in its simplest form. =
  36. 36.Write 4/6 in its simplest form. =
  37. 37.Write 21/27 in its simplest form. =
  38. 38.What is the HCF of 48 and 56?
  39. 39.Write 5/40 in its simplest form. =
  40. 40.What is the HCF of 6 and 30?

Answer key

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

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