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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 754 · 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.What is the HCF of 21 and 24?
  2. 2.What is the HCF of 16 and 36?
  3. 3.Is 5/8 in its simplest form? (a) No (b) Yes
  4. 4.Write 12/27 in its simplest form. =
  5. 5.What is the HCF of 30 and 42?
  6. 6.What is the HCF of 24 and 54?
  7. 7.Write 28/63 in its simplest form. =
  8. 8.What is the HCF of 28 and 36?
  9. 9.Is 45/50 in its simplest form? (a) Yes (b) No
  10. 10.What is the HCF of 5 and 25?
  11. 11.Is 4/5 in its simplest form? (a) No (b) Yes
  12. 12.Is 8/12 in its simplest form? (a) No (b) Yes
  13. 13.What is the HCF of 21 and 28?
  14. 14.What is the HCF of 7 and 14?
  15. 15.Is 1/3 in its simplest form? (a) No (b) Yes
  16. 16.Is 48/54 in its simplest form? (a) Yes (b) No
  17. 17.Write 16/40 in its simplest form. =
  18. 18.Write 32/72 in its simplest form. =
  19. 19.What is the HCF of 8 and 12?
  20. 20.Write 2/8 in its simplest form. =
  21. 21.Write 8/64 in its simplest form. =
  22. 22.Is 1/10 in its simplest form? (a) No (b) Yes
  23. 23.What is the HCF of 42 and 49?
  24. 24.Write 35/45 in its simplest form. =
  25. 25.Write 4/24 in its simplest form. =
  26. 26.Write 2/16 in its simplest form. =
  27. 27.Write 5/25 in its simplest form. =
  28. 28.Write 28/32 in its simplest form. =
  29. 29.Write 42/49 in its simplest form. =
  30. 30.Is 3/7 in its simplest form? (a) No (b) Yes
  31. 31.Write 27/63 in its simplest form. =
  32. 32.Is 30/35 in its simplest form? (a) No (b) Yes
  33. 33.What is the HCF of 30 and 48?
  34. 34.What is the HCF of 3 and 21?
  35. 35.What is the HCF of 12 and 14?
  36. 36.What is the HCF of 8 and 20?
  37. 37.Is 6/24 in its simplest form? (a) Yes (b) No
  38. 38.Is 1/7 in its simplest form? (a) No (b) Yes
  39. 39.What is the HCF of 2 and 10?
  40. 40.Is 30/36 in its simplest form? (a) No (b) Yes

Answer key

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

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