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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 508 · 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 8/36 in its simplest form. =
  2. 2.What is the HCF of 8 and 20?
  3. 3.What is the HCF of 20 and 36?
  4. 4.Is 14/18 in its simplest form? (a) No (b) Yes
  5. 5.Write 12/14 in its simplest form. =
  6. 6.Is 1/10 in its simplest form? (a) No (b) Yes
  7. 7.What is the HCF of 6 and 30?
  8. 8.Write 6/14 in its simplest form. =
  9. 9.What is the HCF of 7 and 70?
  10. 10.Is 24/28 in its simplest form? (a) Yes (b) No
  11. 11.What is the HCF of 25 and 45?
  12. 12.Write 8/10 in its simplest form. =
  13. 13.What is the HCF of 3 and 18?
  14. 14.What is the HCF of 25 and 40?
  15. 15.Write 9/72 in its simplest form. =
  16. 16.Is 3/6 in its simplest form? (a) Yes (b) No
  17. 17.What is the HCF of 6 and 14?
  18. 18.Is 6/10 in its simplest form? (a) Yes (b) No
  19. 19.What is the HCF of 14 and 35?
  20. 20.Is 12/18 in its simplest form? (a) Yes (b) No
  21. 21.What is the HCF of 15 and 24?
  22. 22.Is 5/6 in its simplest form? (a) Yes (b) No
  23. 23.What is the HCF of 4 and 16?
  24. 24.What is the HCF of 35 and 45?
  25. 25.Is 4/6 in its simplest form? (a) Yes (b) No
  26. 26.Is 7/8 in its simplest form? (a) Yes (b) No
  27. 27.Is 3/10 in its simplest form? (a) Yes (b) No
  28. 28.What is the HCF of 28 and 49?
  29. 29.Is 2/5 in its simplest form? (a) No (b) Yes
  30. 30.Is 1/8 in its simplest form? (a) No (b) Yes
  31. 31.What is the HCF of 24 and 40?
  32. 32.Write 24/28 in its simplest form. =
  33. 33.Write 9/36 in its simplest form. =
  34. 34.Is 5/35 in its simplest form? (a) No (b) Yes
  35. 35.Is 36/40 in its simplest form? (a) Yes (b) No
  36. 36.Write 28/49 in its simplest form. =
  37. 37.Is 24/27 in its simplest form? (a) Yes (b) No
  38. 38.What is the HCF of 63 and 70?
  39. 39.Write 35/63 in its simplest form. =
  40. 40.Write 3/27 in its simplest form. =

Answer key

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

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