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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 245 · 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.Is 9/30 in its simplest form? (a) No (b) Yes
  2. 2.What is the HCF of 7 and 14?
  3. 3.What is the HCF of 28 and 35?
  4. 4.What is the HCF of 64 and 72?
  5. 5.Write 5/40 in its simplest form. =
  6. 6.What is the HCF of 6 and 30?
  7. 7.Write 56/63 in its simplest form. =
  8. 8.Write 2/10 in its simplest form. =
  9. 9.Is 6/7 in its simplest form? (a) Yes (b) No
  10. 10.What is the HCF of 54 and 60?
  11. 11.Is 5/8 in its simplest form? (a) No (b) Yes
  12. 12.What is the HCF of 6 and 10?
  13. 13.What is the HCF of 12 and 14?
  14. 14.Write 18/24 in its simplest form. =
  15. 15.What is the HCF of 9 and 63?
  16. 16.What is the HCF of 9 and 54?
  17. 17.What is the HCF of 6 and 8?
  18. 18.What is the HCF of 8 and 10?
  19. 19.Write 6/18 in its simplest form. =
  20. 20.Is 8/9 in its simplest form? (a) No (b) Yes
  21. 21.Write 16/28 in its simplest form. =
  22. 22.What is the HCF of 16 and 24?
  23. 23.Write 6/36 in its simplest form. =
  24. 24.Write 4/12 in its simplest form. =
  25. 25.What is the HCF of 9 and 30?
  26. 26.What is the HCF of 63 and 90?
  27. 27.Is 3/15 in its simplest form? (a) Yes (b) No
  28. 28.Is 5/6 in its simplest form? (a) No (b) Yes
  29. 29.Write 6/14 in its simplest form. =
  30. 30.What is the HCF of 6 and 9?
  31. 31.Write 9/63 in its simplest form. =
  32. 32.Is 3/5 in its simplest form? (a) No (b) Yes
  33. 33.What is the HCF of 4 and 36?
  34. 34.Write 5/50 in its simplest form. =
  35. 35.Is 4/7 in its simplest form? (a) Yes (b) No
  36. 36.What is the HCF of 8 and 72?
  37. 37.What is the HCF of 8 and 14?
  38. 38.Write 3/24 in its simplest form. =
  39. 39.Is 2/3 in its simplest form? (a) Yes (b) No
  40. 40.Write 10/12 in its simplest form. =

Answer key

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

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