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1. Rational Expressions Finding LCD Algebra 1 &
Algebra 1 Honors
3. Review: Adding Fractions You can only add like to like
Same Denominators
4. Different Denominators Make them the same
find a common denominator
The product of all denominators is always a common denominator
But not always the least common denominator
5. Finding the LCD Example:
6. Factor the Denominators
7. Assemble LCD
8. Build up Fractions to LCD
9. Add Numerators
11. Rational Expressions Example:
12. Factor the Denominators
13. Assemble LCD
14. Build up Fractions to LCD
15. Add Numerators
16. Simplify Numerator
17. Summary of Steps Factor denominators
Assemble LCD
Build up Fractions
Add/Subtract Numerators
Simplify Numerator
Reduce Factors if Possible
18. Add or subtract as indicated.
19. Subtract
20. 15. Solve each of the following equations.
22. LCDs for Rational Expressions
23. LCDs for Rational Expressions
24. LCDs for Rational Expressions
25. Rational Expressions
26. Rational Expressions
27. Rational Expressions
28. Rational Expressions
29. Rational Expressions
30. Addition and Subtraction
31. Addition and Subtraction
32. Addition and Subtraction
33. Addition and Subtraction
34. Addition and Subtraction
35. Addition and Subtraction
36. Addition and Subtraction
37. Addition and Subtraction
38. Addition and Subtraction
39. Addition and Subtraction
40. Addition and Subtraction
41. Addition and Subtraction
43. Rational Expressions Finding LCD Algebra 1 &
Algebra 1 Honors