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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 421 · 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 6 and 36?
  2. 2.Write 6/14 in its simplest form. =
  3. 3.Is 4/14 in its simplest form? (a) No (b) Yes
  4. 4.What is the HCF of 10 and 16?
  5. 5.Write 15/18 in its simplest form. =
  6. 6.Write 3/6 in its simplest form. =
  7. 7.What is the HCF of 14 and 35?
  8. 8.Is 2/3 in its simplest form? (a) No (b) Yes
  9. 9.Write 15/50 in its simplest form. =
  10. 10.Write 8/20 in its simplest form. =
  11. 11.Is 12/28 in its simplest form? (a) No (b) Yes
  12. 12.What is the HCF of 64 and 72?
  13. 13.What is the HCF of 5 and 10?
  14. 14.Is 15/25 in its simplest form? (a) No (b) Yes
  15. 15.What is the HCF of 5 and 35?
  16. 16.Write 12/15 in its simplest form. =
  17. 17.Write 4/8 in its simplest form. =
  18. 18.Is 4/5 in its simplest form? (a) Yes (b) No
  19. 19.What is the HCF of 8 and 28?
  20. 20.Write 21/49 in its simplest form. =
  21. 21.What is the HCF of 10 and 12?
  22. 22.Is 9/21 in its simplest form? (a) Yes (b) No
  23. 23.Is 4/6 in its simplest form? (a) No (b) Yes
  24. 24.What is the HCF of 4 and 20?
  25. 25.Is 21/27 in its simplest form? (a) Yes (b) No
  26. 26.What is the HCF of 36 and 45?
  27. 27.What is the HCF of 7 and 42?
  28. 28.Is 3/7 in its simplest form? (a) Yes (b) No
  29. 29.What is the HCF of 10 and 25?
  30. 30.What is the HCF of 28 and 63?
  31. 31.What is the HCF of 4 and 16?
  32. 32.Is 18/30 in its simplest form? (a) No (b) Yes
  33. 33.Write 7/49 in its simplest form. =
  34. 34.Is 5/6 in its simplest form? (a) No (b) Yes
  35. 35.Write 24/80 in its simplest form. =
  36. 36.Is 2/9 in its simplest form? (a) No (b) Yes
  37. 37.What is the HCF of 30 and 36?
  38. 38.What is the HCF of 6 and 10?
  39. 39.What is the HCF of 27 and 30?
  40. 40.Write 7/35 in its simplest form. =

Answer key

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

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