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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 322 · 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.Write 5/50 in its simplest form. =
  2. 2.Is 8/36 in its simplest form? (a) No (b) Yes
  3. 3.Is 1/5 in its simplest form? (a) No (b) Yes
  4. 4.What is the HCF of 6 and 24?
  5. 5.What is the HCF of 21 and 70?
  6. 6.Is 6/24 in its simplest form? (a) No (b) Yes
  7. 7.What is the HCF of 42 and 49?
  8. 8.Is 6/27 in its simplest form? (a) Yes (b) No
  9. 9.What is the HCF of 8 and 36?
  10. 10.Write 18/63 in its simplest form. =
  11. 11.Is 40/45 in its simplest form? (a) No (b) Yes
  12. 12.Write 9/27 in its simplest form. =
  13. 13.What is the HCF of 12 and 54?
  14. 14.Write 8/14 in its simplest form. =
  15. 15.Is 36/42 in its simplest form? (a) Yes (b) No
  16. 16.What is the HCF of 2 and 16?
  17. 17.What is the HCF of 2 and 12?
  18. 18.Is 2/7 in its simplest form? (a) No (b) Yes
  19. 19.Is 1/10 in its simplest form? (a) Yes (b) No
  20. 20.Is 5/9 in its simplest form? (a) Yes (b) No
  21. 21.What is the HCF of 36 and 63?
  22. 22.Write 3/15 in its simplest form. =
  23. 23.What is the HCF of 8 and 16?
  24. 24.Is 3/5 in its simplest form? (a) Yes (b) No
  25. 25.Is 45/50 in its simplest form? (a) Yes (b) No
  26. 26.Write 32/36 in its simplest form. =
  27. 27.Write 2/10 in its simplest form. =
  28. 28.Write 14/35 in its simplest form. =
  29. 29.Is 7/9 in its simplest form? (a) No (b) Yes
  30. 30.Write 8/24 in its simplest form. =
  31. 31.Write 63/70 in its simplest form. =
  32. 32.Write 24/40 in its simplest form. =
  33. 33.Write 6/60 in its simplest form. =
  34. 34.What is the HCF of 12 and 21?
  35. 35.What is the HCF of 14 and 18?
  36. 36.Is 25/30 in its simplest form? (a) Yes (b) No
  37. 37.Is 1/4 in its simplest form? (a) Yes (b) No
  38. 38.Is 28/32 in its simplest form? (a) No (b) Yes
  39. 39.What is the HCF of 14 and 63?
  40. 40.Write 32/56 in its simplest form. =

Answer key

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

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