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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 169 · 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 2/7 in its simplest form? (a) No (b) Yes
  2. 2.Write 16/24 in its simplest form. =
  3. 3.Write 4/6 in its simplest form. =
  4. 4.Write 42/48 in its simplest form. =
  5. 5.Write 20/32 in its simplest form. =
  6. 6.Write 30/36 in its simplest form. =
  7. 7.What is the HCF of 20 and 35?
  8. 8.Is 28/40 in its simplest form? (a) No (b) Yes
  9. 9.Write 14/35 in its simplest form. =
  10. 10.What is the HCF of 40 and 45?
  11. 11.Is 12/42 in its simplest form? (a) Yes (b) No
  12. 12.What is the HCF of 9 and 12?
  13. 13.Write 2/16 in its simplest form. =
  14. 14.What is the HCF of 8 and 36?
  15. 15.What is the HCF of 25 and 45?
  16. 16.Write 5/45 in its simplest form. =
  17. 17.Is 9/30 in its simplest form? (a) Yes (b) No
  18. 18.Is 6/30 in its simplest form? (a) Yes (b) No
  19. 19.Write 35/45 in its simplest form. =
  20. 20.Write 4/20 in its simplest form. =
  21. 21.Is 18/20 in its simplest form? (a) No (b) Yes
  22. 22.What is the HCF of 30 and 48?
  23. 23.Is 4/7 in its simplest form? (a) No (b) Yes
  24. 24.Write 28/49 in its simplest form. =
  25. 25.Write 9/36 in its simplest form. =
  26. 26.What is the HCF of 9 and 54?
  27. 27.Is 15/21 in its simplest form? (a) No (b) Yes
  28. 28.Is 3/9 in its simplest form? (a) No (b) Yes
  29. 29.Write 8/16 in its simplest form. =
  30. 30.Write 8/10 in its simplest form. =
  31. 31.Write 20/28 in its simplest form. =
  32. 32.What is the HCF of 35 and 40?
  33. 33.What is the HCF of 6 and 9?
  34. 34.What is the HCF of 6 and 54?
  35. 35.Write 2/6 in its simplest form. =
  36. 36.Is 10/35 in its simplest form? (a) No (b) Yes
  37. 37.Is 24/30 in its simplest form? (a) Yes (b) No
  38. 38.Write 7/35 in its simplest form. =
  39. 39.What is the HCF of 4 and 8?
  40. 40.What is the HCF of 16 and 20?

Answer key

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

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