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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 608 · 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 12/30 in its simplest form? (a) No (b) Yes
  2. 2.Write 15/27 in its simplest form. =
  3. 3.Write 14/35 in its simplest form. =
  4. 4.Is 8/18 in its simplest form? (a) Yes (b) No
  5. 5.Is 30/48 in its simplest form? (a) No (b) Yes
  6. 6.Is 1/5 in its simplest form? (a) No (b) Yes
  7. 7.Write 56/63 in its simplest form. =
  8. 8.Write 24/32 in its simplest form. =
  9. 9.What is the HCF of 6 and 27?
  10. 10.Write 4/36 in its simplest form. =
  11. 11.Write 2/16 in its simplest form. =
  12. 12.Write 10/18 in its simplest form. =
  13. 13.What is the HCF of 28 and 40?
  14. 14.Is 45/50 in its simplest form? (a) Yes (b) No
  15. 15.Write 6/15 in its simplest form. =
  16. 16.Is 4/7 in its simplest form? (a) No (b) Yes
  17. 17.Write 35/49 in its simplest form. =
  18. 18.Is 2/9 in its simplest form? (a) No (b) Yes
  19. 19.What is the HCF of 8 and 36?
  20. 20.What is the HCF of 3 and 9?
  21. 21.Write 3/27 in its simplest form. =
  22. 22.What is the HCF of 6 and 14?
  23. 23.Write 18/60 in its simplest form. =
  24. 24.What is the HCF of 4 and 12?
  25. 25.What is the HCF of 9 and 72?
  26. 26.Is 4/8 in its simplest form? (a) Yes (b) No
  27. 27.Write 3/15 in its simplest form. =
  28. 28.What is the HCF of 12 and 32?
  29. 29.Is 1/4 in its simplest form? (a) Yes (b) No
  30. 30.What is the HCF of 40 and 64?
  31. 31.What is the HCF of 10 and 14?
  32. 32.Write 8/64 in its simplest form. =
  33. 33.Write 25/30 in its simplest form. =
  34. 34.Write 16/20 in its simplest form. =
  35. 35.What is the HCF of 6 and 36?
  36. 36.What is the HCF of 9 and 45?
  37. 37.Is 1/10 in its simplest form? (a) No (b) Yes
  38. 38.Write 20/32 in its simplest form. =
  39. 39.What is the HCF of 24 and 54?
  40. 40.What is the HCF of 6 and 12?

Answer key

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

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