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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 801 · 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 9/24 in its simplest form. =
  2. 2.What is the HCF of 20 and 25?
  3. 3.What is the HCF of 21 and 70?
  4. 4.Write 14/20 in its simplest form. =
  5. 5.What is the HCF of 4 and 6?
  6. 6.Write 35/56 in its simplest form. =
  7. 7.Write 24/56 in its simplest form. =
  8. 8.What is the HCF of 8 and 18?
  9. 9.What is the HCF of 24 and 32?
  10. 10.What is the HCF of 7 and 70?
  11. 11.What is the HCF of 24 and 28?
  12. 12.What is the HCF of 7 and 42?
  13. 13.What is the HCF of 9 and 21?
  14. 14.Is 3/4 in its simplest form? (a) Yes (b) No
  15. 15.Write 16/40 in its simplest form. =
  16. 16.What is the HCF of 63 and 81?
  17. 17.What is the HCF of 42 and 60?
  18. 18.Write 2/4 in its simplest form. =
  19. 19.What is the HCF of 2 and 12?
  20. 20.Is 3/7 in its simplest form? (a) No (b) Yes
  21. 21.Write 2/18 in its simplest form. =
  22. 22.Is 7/10 in its simplest form? (a) No (b) Yes
  23. 23.Write 32/56 in its simplest form. =
  24. 24.What is the HCF of 6 and 15?
  25. 25.Write 2/8 in its simplest form. =
  26. 26.Write 28/63 in its simplest form. =
  27. 27.Is 12/15 in its simplest form? (a) Yes (b) No
  28. 28.What is the HCF of 12 and 18?
  29. 29.Write 15/20 in its simplest form. =
  30. 30.What is the HCF of 20 and 24?
  31. 31.Write 6/30 in its simplest form. =
  32. 32.Write 7/42 in its simplest form. =
  33. 33.Write 35/40 in its simplest form. =
  34. 34.What is the HCF of 6 and 24?
  35. 35.What is the HCF of 8 and 40?
  36. 36.Is 2/5 in its simplest form? (a) Yes (b) No
  37. 37.What is the HCF of 12 and 20?
  38. 38.Write 8/32 in its simplest form. =
  39. 39.Is 6/14 in its simplest form? (a) Yes (b) No
  40. 40.Is 8/10 in its simplest form? (a) No (b) Yes

Answer key

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

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