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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 552 · 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 3/7 in its simplest form? (a) No (b) Yes
  2. 2.Is 48/54 in its simplest form? (a) No (b) Yes
  3. 3.Is 1/3 in its simplest form? (a) Yes (b) No
  4. 4.Is 18/30 in its simplest form? (a) No (b) Yes
  5. 5.Is 3/5 in its simplest form? (a) No (b) Yes
  6. 6.Write 4/40 in its simplest form. =
  7. 7.Is 2/10 in its simplest form? (a) Yes (b) No
  8. 8.Write 81/90 in its simplest form. =
  9. 9.Is 18/60 in its simplest form? (a) No (b) Yes
  10. 10.What is the HCF of 48 and 56?
  11. 11.What is the HCF of 8 and 40?
  12. 12.Is 5/9 in its simplest form? (a) No (b) Yes
  13. 13.Write 5/50 in its simplest form. =
  14. 14.What is the HCF of 8 and 16?
  15. 15.What is the HCF of 21 and 56?
  16. 16.What is the HCF of 30 and 35?
  17. 17.What is the HCF of 20 and 36?
  18. 18.What is the HCF of 4 and 36?
  19. 19.Write 2/12 in its simplest form. =
  20. 20.What is the HCF of 5 and 30?
  21. 21.What is the HCF of 15 and 20?
  22. 22.Is 4/9 in its simplest form? (a) Yes (b) No
  23. 23.What is the HCF of 2 and 14?
  24. 24.Write 8/40 in its simplest form. =
  25. 25.Write 30/54 in its simplest form. =
  26. 26.What is the HCF of 15 and 18?
  27. 27.Write 8/24 in its simplest form. =
  28. 28.Is 7/8 in its simplest form? (a) No (b) Yes
  29. 29.Is 12/30 in its simplest form? (a) Yes (b) No
  30. 30.Is 8/28 in its simplest form? (a) Yes (b) No
  31. 31.Write 20/35 in its simplest form. =
  32. 32.Write 24/28 in its simplest form. =
  33. 33.Is 15/50 in its simplest form? (a) Yes (b) No
  34. 34.Write 56/80 in its simplest form. =
  35. 35.Write 42/48 in its simplest form. =
  36. 36.Write 7/49 in its simplest form. =
  37. 37.What is the HCF of 10 and 45?
  38. 38.Write 14/16 in its simplest form. =
  39. 39.What is the HCF of 12 and 16?
  40. 40.What is the HCF of 6 and 30?

Answer key

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

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