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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 537 · 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 3/4 in its simplest form? (a) Yes (b) No
  2. 2.Write 40/64 in its simplest form. =
  3. 3.Is 2/7 in its simplest form? (a) Yes (b) No
  4. 4.What is the HCF of 9 and 24?
  5. 5.Is 3/27 in its simplest form? (a) No (b) Yes
  6. 6.Write 15/21 in its simplest form. =
  7. 7.What is the HCF of 6 and 24?
  8. 8.Write 30/35 in its simplest form. =
  9. 9.Is 1/9 in its simplest form? (a) Yes (b) No
  10. 10.Write 12/30 in its simplest form. =
  11. 11.What is the HCF of 20 and 35?
  12. 12.Is 3/5 in its simplest form? (a) Yes (b) No
  13. 13.Write 12/32 in its simplest form. =
  14. 14.What is the HCF of 7 and 70?
  15. 15.Is 1/7 in its simplest form? (a) No (b) Yes
  16. 16.Is 16/20 in its simplest form? (a) Yes (b) No
  17. 17.What is the HCF of 14 and 21?
  18. 18.What is the HCF of 6 and 14?
  19. 19.Is 25/35 in its simplest form? (a) No (b) Yes
  20. 20.Is 8/10 in its simplest form? (a) Yes (b) No
  21. 21.Write 42/60 in its simplest form. =
  22. 22.Write 16/72 in its simplest form. =
  23. 23.Is 9/24 in its simplest form? (a) No (b) Yes
  24. 24.Is 1/10 in its simplest form? (a) No (b) Yes
  25. 25.Write 49/63 in its simplest form. =
  26. 26.Write 3/18 in its simplest form. =
  27. 27.What is the HCF of 12 and 54?
  28. 28.Write 15/25 in its simplest form. =
  29. 29.Write 2/18 in its simplest form. =
  30. 30.Write 30/48 in its simplest form. =
  31. 31.Is 42/60 in its simplest form? (a) No (b) Yes
  32. 32.Is 15/20 in its simplest form? (a) Yes (b) No
  33. 33.Is 9/10 in its simplest form? (a) No (b) Yes
  34. 34.Write 12/54 in its simplest form. =
  35. 35.Write 4/10 in its simplest form. =
  36. 36.What is the HCF of 8 and 28?
  37. 37.What is the HCF of 15 and 21?
  38. 38.Write 56/63 in its simplest form. =
  39. 39.Is 48/54 in its simplest form? (a) No (b) Yes
  40. 40.What is the HCF of 2 and 16?

Answer key

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

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