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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 68 · 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 32?
  2. 2.Is 3/5 in its simplest form? (a) No (b) Yes
  3. 3.Is 6/7 in its simplest form? (a) No (b) Yes
  4. 4.Is 2/3 in its simplest form? (a) No (b) Yes
  5. 5.What is the HCF of 14 and 16?
  6. 6.Write 4/14 in its simplest form. =
  7. 7.What is the HCF of 28 and 32?
  8. 8.Is 3/10 in its simplest form? (a) Yes (b) No
  9. 9.Write 24/42 in its simplest form. =
  10. 10.Is 4/12 in its simplest form? (a) No (b) Yes
  11. 11.What is the HCF of 9 and 36?
  12. 12.Is 36/40 in its simplest form? (a) No (b) Yes
  13. 13.Write 3/27 in its simplest form. =
  14. 14.Write 7/70 in its simplest form. =
  15. 15.Is 6/42 in its simplest form? (a) No (b) Yes
  16. 16.Write 4/6 in its simplest form. =
  17. 17.Is 5/8 in its simplest form? (a) No (b) Yes
  18. 18.Write 9/15 in its simplest form. =
  19. 19.Write 32/56 in its simplest form. =
  20. 20.Is 3/8 in its simplest form? (a) No (b) Yes
  21. 21.Write 9/63 in its simplest form. =
  22. 22.What is the HCF of 63 and 70?
  23. 23.Is 40/45 in its simplest form? (a) No (b) Yes
  24. 24.Write 8/56 in its simplest form. =
  25. 25.What is the HCF of 49 and 56?
  26. 26.What is the HCF of 5 and 10?
  27. 27.What is the HCF of 27 and 90?
  28. 28.Write 8/48 in its simplest form. =
  29. 29.What is the HCF of 16 and 24?
  30. 30.What is the HCF of 2 and 10?
  31. 31.Write 7/14 in its simplest form. =
  32. 32.Is 8/10 in its simplest form? (a) No (b) Yes
  33. 33.Write 8/28 in its simplest form. =
  34. 34.Is 28/40 in its simplest form? (a) No (b) Yes
  35. 35.What is the HCF of 16 and 20?
  36. 36.Is 3/27 in its simplest form? (a) No (b) Yes
  37. 37.What is the HCF of 9 and 30?
  38. 38.Is 2/5 in its simplest form? (a) Yes (b) No
  39. 39.Write 15/18 in its simplest form. =
  40. 40.Is 30/54 in its simplest form? (a) No (b) Yes

Answer key

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

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