7-8 Fractions and Simplest Form

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  • 1. 7-8 Fractions in Simplest Form Number Sense 1.5
  • 2. Review:
  • 3. Review: GCF - greatest common factor
  • 4. Review: GCF - greatest common factor Find the GCF of 18 and 27
  • 5. Review: GCF - greatest common factor Find the GCF of 18 and 27 18:
  • 6. Review: GCF - greatest common factor Find the GCF of 18 and 27 18: 27:
  • 7. Review: GCF - greatest common factor Find the GCF of 18 and 27 18: 1,2,3,6,9,18 27:
  • 8. Review: GCF - greatest common factor Find the GCF of 18 and 27 18: 1,2,3,6,9,18 27: 1,3,9,27
  • 9. Review: GCF - greatest common factor Find the GCF of 18 and 27 18: 1,2,3,6,9,18 27: 1,3,9,27
  • 10. Review: GCF - greatest common factor Find the GCF of 18 and 27 18: 1,2,3,6,9,18 27: 1,3,9,27
  • 11. Review: GCF - greatest common factor Find the GCF of 18 and 27 18: 1,2,3,6,9,18 27: 1,3,9,27
  • 12. Review: GCF - greatest common factor Find the GCF of 18 and 27 Which is the 18: 1,2,3,6,9,18 greatest between 27: 1,3,9,27 1,3,9 ?
  • 13. Review: GCF - greatest common factor Find the GCF of 18 and 27 Which is the 18: 1,2,3,6,9,18 greatest between 27: 1,3,9,27 1,3,9 ? GCF is 9
  • 14. 12 Write 18 in simplest form.
  • 15. 12 Write 18 in simplest form. STEP ONE: Find GCF of 12 and 18
  • 16. 12 Write 18 in simplest form. STEP ONE: Find GCF of 12 and 18 STEP TWO: Divide numerator and denominator by GCF
  • 17. 12 Write 18 in simplest form.
  • 18. 12 Write 18 in simplest form. 12:
  • 19. 12 Write 18 in simplest form. 12: 18:
  • 20. 12 Write 18 in simplest form. 12: 1,2,3,4,6,12 18:
  • 21. 12 Write 18 in simplest form. 12: 1,2,3,4,6,12 18: 1,2,3,6,9,18
  • 22. 12 Write 18 in simplest form. 12: 1,2,3,4,6,12 18: 1,2,3,6,9,18
  • 23. 12 Write 18 in simplest form. 12: 1,2,3,4,6,12 18: 1,2,3,6,9,18
  • 24. 12 Write 18 in simplest form. 12: 1,2,3,4,6,12 18: 1,2,3,6,9,18
  • 25. 12 Write 18 in simplest form. 12: 1,2,3,4,6,12 18: 1,2,3,6,9,18
  • 26. 12 Write 18 in simplest form. 12: 1,2,3,4,6,12 GCF = 6 18: 1,2,3,6,9,18
  • 27. 12 Write 18 in simplest form. 12: 1,2,3,4,6,12 GCF = 6 18: 1,2,3,6,9,18 12 18
  • 28. 12 Write 18 in simplest form. 12: 1,2,3,4,6,12 GCF = 6 18: 1,2,3,6,9,18 12 ÷ 18 ÷
  • 29. 12 Write 18 in simplest form. 12: 1,2,3,4,6,12 GCF = 6 18: 1,2,3,6,9,18 12 ÷ 6 18 ÷ 6
  • 30. 12 Write 18 in simplest form. 12: 1,2,3,4,6,12 GCF = 6 18: 1,2,3,6,9,18 12 ÷ 6 = 18 ÷ 6 =
  • 31. 12 Write 18 in simplest form. 12: 1,2,3,4,6,12 GCF = 6 18: 1,2,3,6,9,18 simpl est f or m! 12 ÷ 6 = 2 18 ÷ 6 = 3
  • 32. 8 Write 20 in simplest form.
  • 33. 8 Write 20 in simplest form. 8:
  • 34. 8 Write 20 in simplest form. 8: 20:
  • 35. 8 Write 20 in simplest form. 8: 1,2,4,8 20:
  • 36. 8 Write 20 in simplest form. 8: 1,2,4,8 20: 1,2,4,5,10,20
  • 37. 8 Write 20 in simplest form. 8: 1,2,4,8 20: 1,2,4,5,10,20
  • 38. 8 Write 20 in simplest form. 8: 1,2,4,8 20: 1,2,4,5,10,20
  • 39. 8 Write 20 in simplest form. 8: 1,2,4,8 20: 1,2,4,5,10,20
  • 40. 8 Write 20 in simplest form. 8: 1,2,4,8 GCF = 4 20: 1,2,4,5,10,20
  • 41. 8 Write 20 in simplest form. 8: 1,2,4,8 GCF = 4 20: 1,2,4,5,10,20 8 20
  • 42. 8 Write 20 in simplest form. 8: 1,2,4,8 GCF = 4 20: 1,2,4,5,10,20 8 ÷ 20 ÷
  • 43. 8 Write 20 in simplest form. 8: 1,2,4,8 GCF = 4 20: 1,2,4,5,10,20 8 ÷ 4 20 ÷ 4
  • 44. 8 Write 20 in simplest form. 8: 1,2,4,8 GCF = 4 20: 1,2,4,5,10,20 8 ÷ 4 = 20 ÷ 4 =
  • 45. 8 Write 20 in simplest form. 8: 1,2,4,8 GCF = 4 20: 1,2,4,5,10,20 simpl est f or m! 8 ÷ 4 = 2 20 ÷ 4 = 5