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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 198 · 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 4/36 in its simplest form. =
  2. 2.Write 4/16 in its simplest form. =
  3. 3.Write 14/49 in its simplest form. =
  4. 4.What is the HCF of 8 and 10?
  5. 5.Is 8/9 in its simplest form? (a) Yes (b) No
  6. 6.What is the HCF of 36 and 63?
  7. 7.Is 5/9 in its simplest form? (a) Yes (b) No
  8. 8.Write 8/32 in its simplest form. =
  9. 9.Write 7/70 in its simplest form. =
  10. 10.Write 6/24 in its simplest form. =
  11. 11.Is 4/8 in its simplest form? (a) No (b) Yes
  12. 12.Is 54/60 in its simplest form? (a) No (b) Yes
  13. 13.What is the HCF of 16 and 28?
  14. 14.Is 10/16 in its simplest form? (a) Yes (b) No
  15. 15.Is 10/18 in its simplest form? (a) No (b) Yes
  16. 16.Write 5/35 in its simplest form. =
  17. 17.What is the HCF of 56 and 80?
  18. 18.What is the HCF of 4 and 6?
  19. 19.What is the HCF of 35 and 50?
  20. 20.What is the HCF of 6 and 16?
  21. 21.Is 2/10 in its simplest form? (a) No (b) Yes
  22. 22.What is the HCF of 30 and 35?
  23. 23.Write 6/9 in its simplest form. =
  24. 24.Write 40/48 in its simplest form. =
  25. 25.Write 40/45 in its simplest form. =
  26. 26.Is 12/20 in its simplest form? (a) No (b) Yes
  27. 27.What is the HCF of 2 and 20?
  28. 28.Is 5/8 in its simplest form? (a) No (b) Yes
  29. 29.Write 48/56 in its simplest form. =
  30. 30.Write 6/21 in its simplest form. =
  31. 31.What is the HCF of 6 and 60?
  32. 32.What is the HCF of 48 and 54?
  33. 33.Is 2/20 in its simplest form? (a) Yes (b) No
  34. 34.What is the HCF of 15 and 27?
  35. 35.Write 7/28 in its simplest form. =
  36. 36.Write 8/64 in its simplest form. =
  37. 37.What is the HCF of 20 and 28?
  38. 38.What is the HCF of 8 and 16?
  39. 39.Write 16/40 in its simplest form. =
  40. 40.What is the HCF of 28 and 40?

Answer key

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

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