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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 848 · 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 4/8 in its simplest form. =
  2. 2.Write 4/36 in its simplest form. =
  3. 3.What is the HCF of 35 and 50?
  4. 4.Write 30/36 in its simplest form. =
  5. 5.What is the HCF of 49 and 70?
  6. 6.Write 5/15 in its simplest form. =
  7. 7.Is 9/10 in its simplest form? (a) No (b) Yes
  8. 8.What is the HCF of 40 and 45?
  9. 9.What is the HCF of 14 and 35?
  10. 10.What is the HCF of 4 and 18?
  11. 11.Write 27/45 in its simplest form. =
  12. 12.Is 4/7 in its simplest form? (a) Yes (b) No
  13. 13.Write 24/80 in its simplest form. =
  14. 14.Is 15/24 in its simplest form? (a) Yes (b) No
  15. 15.What is the HCF of 8 and 10?
  16. 16.What is the HCF of 9 and 27?
  17. 17.Write 32/56 in its simplest form. =
  18. 18.What is the HCF of 7 and 14?
  19. 19.Is 10/15 in its simplest form? (a) No (b) Yes
  20. 20.Is 30/35 in its simplest form? (a) No (b) Yes
  21. 21.What is the HCF of 36 and 63?
  22. 22.What is the HCF of 7 and 21?
  23. 23.What is the HCF of 8 and 14?
  24. 24.What is the HCF of 15 and 24?
  25. 25.Is 2/5 in its simplest form? (a) Yes (b) No
  26. 26.Write 28/63 in its simplest form. =
  27. 27.What is the HCF of 3 and 6?
  28. 28.What is the HCF of 3 and 18?
  29. 29.Write 7/42 in its simplest form. =
  30. 30.Write 6/20 in its simplest form. =
  31. 31.Write 21/28 in its simplest form. =
  32. 32.Write 2/18 in its simplest form. =
  33. 33.What is the HCF of 7 and 28?
  34. 34.Write 3/27 in its simplest form. =
  35. 35.Is 3/6 in its simplest form? (a) No (b) Yes
  36. 36.What is the HCF of 20 and 24?
  37. 37.Is 6/48 in its simplest form? (a) No (b) Yes
  38. 38.Write 2/8 in its simplest form. =
  39. 39.What is the HCF of 3 and 24?
  40. 40.Is 12/16 in its simplest form? (a) Yes (b) No

Answer key

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

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