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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 103 · 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 4 and 36?
  2. 2.What is the HCF of 12 and 16?
  3. 3.Write 20/36 in its simplest form. =
  4. 4.What is the HCF of 24 and 30?
  5. 5.Write 3/18 in its simplest form. =
  6. 6.What is the HCF of 16 and 28?
  7. 7.Write 24/28 in its simplest form. =
  8. 8.Write 5/35 in its simplest form. =
  9. 9.Is 24/27 in its simplest form? (a) Yes (b) No
  10. 10.What is the HCF of 54 and 63?
  11. 11.Is 30/36 in its simplest form? (a) No (b) Yes
  12. 12.Is 2/10 in its simplest form? (a) No (b) Yes
  13. 13.Is 2/7 in its simplest form? (a) Yes (b) No
  14. 14.Is 8/9 in its simplest form? (a) No (b) Yes
  15. 15.What is the HCF of 24 and 54?
  16. 16.Write 9/90 in its simplest form. =
  17. 17.Write 49/56 in its simplest form. =
  18. 18.Write 3/9 in its simplest form. =
  19. 19.Is 7/8 in its simplest form? (a) No (b) Yes
  20. 20.What is the HCF of 27 and 30?
  21. 21.What is the HCF of 25 and 35?
  22. 22.Is 5/50 in its simplest form? (a) Yes (b) No
  23. 23.Is 3/24 in its simplest form? (a) No (b) Yes
  24. 24.What is the HCF of 5 and 25?
  25. 25.Write 3/24 in its simplest form. =
  26. 26.Is 7/9 in its simplest form? (a) No (b) Yes
  27. 27.Is 5/15 in its simplest form? (a) Yes (b) No
  28. 28.Is 28/40 in its simplest form? (a) Yes (b) No
  29. 29.Write 4/18 in its simplest form. =
  30. 30.Write 6/9 in its simplest form. =
  31. 31.What is the HCF of 6 and 10?
  32. 32.Write 56/80 in its simplest form. =
  33. 33.What is the HCF of 24 and 32?
  34. 34.Write 2/8 in its simplest form. =
  35. 35.Write 49/70 in its simplest form. =
  36. 36.Is 5/6 in its simplest form? (a) No (b) Yes
  37. 37.Write 12/42 in its simplest form. =
  38. 38.Write 48/56 in its simplest form. =
  39. 39.Write 3/27 in its simplest form. =
  40. 40.Write 9/18 in its simplest form. =

Answer key

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

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