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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 933 · 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 2 and 14?
  2. 2.Write 8/20 in its simplest form. =
  3. 3.Write 15/21 in its simplest form. =
  4. 4.What is the HCF of 7 and 70?
  5. 5.Write 30/54 in its simplest form. =
  6. 6.Write 24/40 in its simplest form. =
  7. 7.What is the HCF of 6 and 21?
  8. 8.Is 18/48 in its simplest form? (a) Yes (b) No
  9. 9.Write 16/20 in its simplest form. =
  10. 10.Write 9/18 in its simplest form. =
  11. 11.What is the HCF of 6 and 30?
  12. 12.Write 4/10 in its simplest form. =
  13. 13.Write 7/35 in its simplest form. =
  14. 14.What is the HCF of 14 and 63?
  15. 15.Is 30/54 in its simplest form? (a) Yes (b) No
  16. 16.Write 32/56 in its simplest form. =
  17. 17.Write 3/30 in its simplest form. =
  18. 18.Is 42/48 in its simplest form? (a) No (b) Yes
  19. 19.Write 56/80 in its simplest form. =
  20. 20.Write 20/32 in its simplest form. =
  21. 21.Write 12/32 in its simplest form. =
  22. 22.Is 2/3 in its simplest form? (a) No (b) Yes
  23. 23.What is the HCF of 8 and 10?
  24. 24.What is the HCF of 6 and 8?
  25. 25.What is the HCF of 8 and 16?
  26. 26.Write 6/21 in its simplest form. =
  27. 27.What is the HCF of 5 and 20?
  28. 28.Is 12/28 in its simplest form? (a) No (b) Yes
  29. 29.Write 5/35 in its simplest form. =
  30. 30.What is the HCF of 9 and 30?
  31. 31.Write 5/40 in its simplest form. =
  32. 32.Write 5/30 in its simplest form. =
  33. 33.Write 12/42 in its simplest form. =
  34. 34.Write 30/48 in its simplest form. =
  35. 35.What is the HCF of 6 and 24?
  36. 36.Write 12/20 in its simplest form. =
  37. 37.Is 8/18 in its simplest form? (a) No (b) Yes
  38. 38.What is the HCF of 6 and 10?
  39. 39.Write 16/40 in its simplest form. =
  40. 40.Is 18/20 in its simplest form? (a) No (b) Yes

Answer key

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

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