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Simplest Form Fractions Worksheet

Fractions lesson 8: Simplest form of a fraction · Set 70 · 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 16 and 18?
  2. 2.Write 36/42 in its simplest form. =
  3. 3.Is 1/7 in its simplest form? (a) Yes (b) No
  4. 4.Write 9/30 in its simplest form. =
  5. 5.Write 27/63 in its simplest form. =
  6. 6.Is 1/2 in its simplest form? (a) No (b) Yes
  7. 7.Write 18/30 in its simplest form. =
  8. 8.What is the HCF of 30 and 35?
  9. 9.Is 25/30 in its simplest form? (a) Yes (b) No
  10. 10.Is 2/7 in its simplest form? (a) No (b) Yes
  11. 11.Write 8/14 in its simplest form. =
  12. 12.Is 4/6 in its simplest form? (a) No (b) Yes
  13. 13.Is 5/6 in its simplest form? (a) No (b) Yes
  14. 14.Is 10/25 in its simplest form? (a) Yes (b) No
  15. 15.Write 14/21 in its simplest form. =
  16. 16.What is the HCF of 56 and 64?
  17. 17.What is the HCF of 10 and 15?
  18. 18.What is the HCF of 30 and 48?
  19. 19.Is 10/35 in its simplest form? (a) Yes (b) No
  20. 20.Is 1/5 in its simplest form? (a) Yes (b) No
  21. 21.Write 12/14 in its simplest form. =
  22. 22.What is the HCF of 14 and 20?
  23. 23.Write 8/16 in its simplest form. =
  24. 24.Write 6/12 in its simplest form. =
  25. 25.What is the HCF of 15 and 50?
  26. 26.Is 18/21 in its simplest form? (a) Yes (b) No
  27. 27.What is the HCF of 36 and 42?
  28. 28.What is the HCF of 28 and 32?
  29. 29.Write 4/14 in its simplest form. =
  30. 30.Write 2/12 in its simplest form. =
  31. 31.What is the HCF of 14 and 63?
  32. 32.Is 3/18 in its simplest form? (a) No (b) Yes
  33. 33.Is 15/24 in its simplest form? (a) No (b) Yes
  34. 34.Write 8/64 in its simplest form. =
  35. 35.Is 4/7 in its simplest form? (a) No (b) Yes
  36. 36.Is 4/5 in its simplest form? (a) No (b) Yes
  37. 37.Is 3/10 in its simplest form? (a) Yes (b) No
  38. 38.Is 12/40 in its simplest form? (a) No (b) Yes
  39. 39.What is the HCF of 20 and 36?
  40. 40.Write 20/35 in its simplest form. =

Answer key

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

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