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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 265 · 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 27/63 in its simplest form. =
  2. 2.What is the HCF of 12 and 30?
  3. 3.Write 16/18 in its simplest form. =
  4. 4.Is 36/40 in its simplest form? (a) No (b) Yes
  5. 5.Write 25/45 in its simplest form. =
  6. 6.What is the HCF of 21 and 28?
  7. 7.Is 18/30 in its simplest form? (a) No (b) Yes
  8. 8.Write 24/80 in its simplest form. =
  9. 9.Write 8/56 in its simplest form. =
  10. 10.Is 4/7 in its simplest form? (a) No (b) Yes
  11. 11.Write 14/21 in its simplest form. =
  12. 12.Write 2/6 in its simplest form. =
  13. 13.Write 24/56 in its simplest form. =
  14. 14.Write 27/45 in its simplest form. =
  15. 15.What is the HCF of 45 and 63?
  16. 16.Write 2/8 in its simplest form. =
  17. 17.Write 18/48 in its simplest form. =
  18. 18.Write 24/27 in its simplest form. =
  19. 19.Is 35/50 in its simplest form? (a) No (b) Yes
  20. 20.Write 9/15 in its simplest form. =
  21. 21.What is the HCF of 6 and 36?
  22. 22.Is 6/7 in its simplest form? (a) Yes (b) No
  23. 23.What is the HCF of 35 and 50?
  24. 24.What is the HCF of 4 and 10?
  25. 25.Is 4/32 in its simplest form? (a) Yes (b) No
  26. 26.Is 8/12 in its simplest form? (a) Yes (b) No
  27. 27.Write 9/54 in its simplest form. =
  28. 28.Is 35/45 in its simplest form? (a) Yes (b) No
  29. 29.Is 15/27 in its simplest form? (a) Yes (b) No
  30. 30.What is the HCF of 6 and 20?
  31. 31.Is 4/5 in its simplest form? (a) Yes (b) No
  32. 32.Write 8/36 in its simplest form. =
  33. 33.Write 12/27 in its simplest form. =
  34. 34.Write 12/42 in its simplest form. =
  35. 35.Write 14/16 in its simplest form. =
  36. 36.Is 3/10 in its simplest form? (a) No (b) Yes
  37. 37.Write 40/56 in its simplest form. =
  38. 38.Is 3/7 in its simplest form? (a) No (b) Yes
  39. 39.What is the HCF of 8 and 24?
  40. 40.Write 7/35 in its simplest form. =

Answer key

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

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