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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 798 · 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 1/8 in its simplest form? (a) No (b) Yes
  2. 2.Write 5/50 in its simplest form. =
  3. 3.Write 21/24 in its simplest form. =
  4. 4.Write 7/70 in its simplest form. =
  5. 5.Is 1/2 in its simplest form? (a) No (b) Yes
  6. 6.What is the HCF of 4 and 36?
  7. 7.What is the HCF of 2 and 14?
  8. 8.Is 4/9 in its simplest form? (a) Yes (b) No
  9. 9.Write 12/30 in its simplest form. =
  10. 10.What is the HCF of 6 and 60?
  11. 11.Write 25/30 in its simplest form. =
  12. 12.Is 1/3 in its simplest form? (a) No (b) Yes
  13. 13.Is 4/12 in its simplest form? (a) No (b) Yes
  14. 14.What is the HCF of 45 and 54?
  15. 15.Write 8/12 in its simplest form. =
  16. 16.Write 56/64 in its simplest form. =
  17. 17.Is 12/21 in its simplest form? (a) No (b) Yes
  18. 18.Is 18/21 in its simplest form? (a) Yes (b) No
  19. 19.What is the HCF of 14 and 63?
  20. 20.Is 6/8 in its simplest form? (a) No (b) Yes
  21. 21.Write 2/12 in its simplest form. =
  22. 22.Write 15/20 in its simplest form. =
  23. 23.Write 18/45 in its simplest form. =
  24. 24.What is the HCF of 14 and 21?
  25. 25.Is 2/5 in its simplest form? (a) No (b) Yes
  26. 26.What is the HCF of 56 and 72?
  27. 27.Is 5/6 in its simplest form? (a) No (b) Yes
  28. 28.Is 5/7 in its simplest form? (a) Yes (b) No
  29. 29.Write 21/35 in its simplest form. =
  30. 30.Write 8/24 in its simplest form. =
  31. 31.Write 8/16 in its simplest form. =
  32. 32.Write 9/18 in its simplest form. =
  33. 33.What is the HCF of 10 and 16?
  34. 34.Is 9/24 in its simplest form? (a) Yes (b) No
  35. 35.Write 14/35 in its simplest form. =
  36. 36.Write 7/35 in its simplest form. =
  37. 37.Is 9/15 in its simplest form? (a) Yes (b) No
  38. 38.What is the HCF of 5 and 35?
  39. 39.Is 2/9 in its simplest form? (a) No (b) Yes
  40. 40.Write 6/21 in its simplest form. =

Answer key

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

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