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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 173 · 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 35/50 in its simplest form? (a) No (b) Yes
  2. 2.Is 1/4 in its simplest form? (a) No (b) Yes
  3. 3.Is 12/15 in its simplest form? (a) No (b) Yes
  4. 4.What is the HCF of 15 and 24?
  5. 5.What is the HCF of 6 and 15?
  6. 6.Is 5/8 in its simplest form? (a) Yes (b) No
  7. 7.What is the HCF of 2 and 10?
  8. 8.Is 3/10 in its simplest form? (a) No (b) Yes
  9. 9.Write 14/63 in its simplest form. =
  10. 10.Write 6/24 in its simplest form. =
  11. 11.Is 1/9 in its simplest form? (a) Yes (b) No
  12. 12.Is 9/10 in its simplest form? (a) Yes (b) No
  13. 13.Is 8/9 in its simplest form? (a) No (b) Yes
  14. 14.What is the HCF of 6 and 18?
  15. 15.What is the HCF of 4 and 10?
  16. 16.Is 12/40 in its simplest form? (a) Yes (b) No
  17. 17.Write 21/24 in its simplest form. =
  18. 18.Write 6/20 in its simplest form. =
  19. 19.Write 16/24 in its simplest form. =
  20. 20.Write 21/27 in its simplest form. =
  21. 21.Write 35/50 in its simplest form. =
  22. 22.Write 27/63 in its simplest form. =
  23. 23.What is the HCF of 16 and 40?
  24. 24.Is 8/18 in its simplest form? (a) Yes (b) No
  25. 25.Is 1/5 in its simplest form? (a) Yes (b) No
  26. 26.Write 9/72 in its simplest form. =
  27. 27.Write 14/18 in its simplest form. =
  28. 28.Is 8/20 in its simplest form? (a) Yes (b) No
  29. 29.Write 7/49 in its simplest form. =
  30. 30.Write 14/49 in its simplest form. =
  31. 31.Is 3/27 in its simplest form? (a) No (b) Yes
  32. 32.What is the HCF of 40 and 48?
  33. 33.What is the HCF of 28 and 40?
  34. 34.What is the HCF of 5 and 35?
  35. 35.Write 32/56 in its simplest form. =
  36. 36.What is the HCF of 12 and 18?
  37. 37.Write 12/27 in its simplest form. =
  38. 38.Write 42/48 in its simplest form. =
  39. 39.Write 28/35 in its simplest form. =
  40. 40.Write 4/32 in its simplest form. =

Answer key

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

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