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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 876 · 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 16 and 36?
  2. 2.Write 12/16 in its simplest form. =
  3. 3.What is the HCF of 9 and 24?
  4. 4.Write 18/21 in its simplest form. =
  5. 5.Is 3/8 in its simplest form? (a) Yes (b) No
  6. 6.What is the HCF of 36 and 40?
  7. 7.What is the HCF of 64 and 72?
  8. 8.Write 3/21 in its simplest form. =
  9. 9.What is the HCF of 35 and 49?
  10. 10.Is 1/5 in its simplest form? (a) No (b) Yes
  11. 11.Is 30/54 in its simplest form? (a) Yes (b) No
  12. 12.What is the HCF of 6 and 12?
  13. 13.Write 3/15 in its simplest form. =
  14. 14.What is the HCF of 2 and 18?
  15. 15.What is the HCF of 12 and 16?
  16. 16.What is the HCF of 35 and 56?
  17. 17.Write 6/48 in its simplest form. =
  18. 18.Write 8/16 in its simplest form. =
  19. 19.What is the HCF of 3 and 18?
  20. 20.What is the HCF of 21 and 35?
  21. 21.What is the HCF of 9 and 21?
  22. 22.Write 20/25 in its simplest form. =
  23. 23.Is 2/7 in its simplest form? (a) Yes (b) No
  24. 24.Is 2/5 in its simplest form? (a) Yes (b) No
  25. 25.Write 25/35 in its simplest form. =
  26. 26.What is the HCF of 14 and 16?
  27. 27.Is 3/18 in its simplest form? (a) No (b) Yes
  28. 28.What is the HCF of 10 and 16?
  29. 29.What is the HCF of 56 and 64?
  30. 30.Write 2/10 in its simplest form. =
  31. 31.Write 6/15 in its simplest form. =
  32. 32.Is 10/25 in its simplest form? (a) Yes (b) No
  33. 33.Is 16/28 in its simplest form? (a) Yes (b) No
  34. 34.Write 10/45 in its simplest form. =
  35. 35.Write 9/18 in its simplest form. =
  36. 36.Write 21/70 in its simplest form. =
  37. 37.Write 32/36 in its simplest form. =
  38. 38.Is 4/36 in its simplest form? (a) No (b) Yes
  39. 39.Write 35/50 in its simplest form. =
  40. 40.Is 3/4 in its simplest form? (a) No (b) Yes

Answer key

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

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