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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 715 · 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 2/10 in its simplest form. =
  2. 2.What is the HCF of 7 and 42?
  3. 3.Write 15/50 in its simplest form. =
  4. 4.What is the HCF of 6 and 27?
  5. 5.What is the HCF of 6 and 8?
  6. 6.Is 30/42 in its simplest form? (a) No (b) Yes
  7. 7.What is the HCF of 24 and 54?
  8. 8.Is 21/24 in its simplest form? (a) No (b) Yes
  9. 9.Write 8/10 in its simplest form. =
  10. 10.Write 81/90 in its simplest form. =
  11. 11.What is the HCF of 35 and 56?
  12. 12.Write 56/72 in its simplest form. =
  13. 13.Is 1/5 in its simplest form? (a) No (b) Yes
  14. 14.What is the HCF of 54 and 63?
  15. 15.Write 63/70 in its simplest form. =
  16. 16.Is 3/5 in its simplest form? (a) Yes (b) No
  17. 17.Write 14/16 in its simplest form. =
  18. 18.What is the HCF of 2 and 14?
  19. 19.Write 12/27 in its simplest form. =
  20. 20.What is the HCF of 18 and 60?
  21. 21.Is 5/7 in its simplest form? (a) No (b) Yes
  22. 22.Write 28/40 in its simplest form. =
  23. 23.Write 32/40 in its simplest form. =
  24. 24.Write 7/49 in its simplest form. =
  25. 25.Write 24/30 in its simplest form. =
  26. 26.Is 1/2 in its simplest form? (a) Yes (b) No
  27. 27.Write 15/27 in its simplest form. =
  28. 28.What is the HCF of 2 and 10?
  29. 29.What is the HCF of 8 and 56?
  30. 30.Write 49/56 in its simplest form. =
  31. 31.Is 2/5 in its simplest form? (a) No (b) Yes
  32. 32.What is the HCF of 5 and 20?
  33. 33.What is the HCF of 15 and 25?
  34. 34.Is 9/10 in its simplest form? (a) Yes (b) No
  35. 35.Write 4/18 in its simplest form. =
  36. 36.Is 3/7 in its simplest form? (a) Yes (b) No
  37. 37.Write 24/42 in its simplest form. =
  38. 38.What is the HCF of 12 and 18?
  39. 39.What is the HCF of 8 and 64?
  40. 40.Is 2/7 in its simplest form? (a) No (b) Yes

Answer key

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

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