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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 392 · 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 9 and 36?
  2. 2.Write 54/60 in its simplest form. =
  3. 3.Is 3/12 in its simplest form? (a) No (b) Yes
  4. 4.Is 1/10 in its simplest form? (a) No (b) Yes
  5. 5.Is 3/4 in its simplest form? (a) Yes (b) No
  6. 6.Write 8/20 in its simplest form. =
  7. 7.What is the HCF of 16 and 36?
  8. 8.Is 9/10 in its simplest form? (a) No (b) Yes
  9. 9.Is 2/7 in its simplest form? (a) No (b) Yes
  10. 10.Is 12/20 in its simplest form? (a) No (b) Yes
  11. 11.Write 28/35 in its simplest form. =
  12. 12.Write 3/18 in its simplest form. =
  13. 13.What is the HCF of 9 and 12?
  14. 14.What is the HCF of 18 and 81?
  15. 15.What is the HCF of 42 and 49?
  16. 16.What is the HCF of 3 and 18?
  17. 17.Is 4/12 in its simplest form? (a) Yes (b) No
  18. 18.What is the HCF of 4 and 20?
  19. 19.Write 27/63 in its simplest form. =
  20. 20.Write 20/36 in its simplest form. =
  21. 21.Is 12/27 in its simplest form? (a) No (b) Yes
  22. 22.What is the HCF of 21 and 27?
  23. 23.What is the HCF of 15 and 24?
  24. 24.Write 6/10 in its simplest form. =
  25. 25.Is 1/4 in its simplest form? (a) Yes (b) No
  26. 26.Is 5/7 in its simplest form? (a) Yes (b) No
  27. 27.Write 2/10 in its simplest form. =
  28. 28.Write 4/8 in its simplest form. =
  29. 29.Is 4/10 in its simplest form? (a) No (b) Yes
  30. 30.What is the HCF of 14 and 21?
  31. 31.Is 18/30 in its simplest form? (a) Yes (b) No
  32. 32.What is the HCF of 20 and 32?
  33. 33.Write 6/21 in its simplest form. =
  34. 34.Is 6/18 in its simplest form? (a) No (b) Yes
  35. 35.Is 16/18 in its simplest form? (a) Yes (b) No
  36. 36.Is 6/12 in its simplest form? (a) Yes (b) No
  37. 37.What is the HCF of 14 and 35?
  38. 38.Write 48/54 in its simplest form. =
  39. 39.Is 9/24 in its simplest form? (a) Yes (b) No
  40. 40.What is the HCF of 7 and 14?

Answer key

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

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