Create Presentation
Download Presentation

Download Presentation
## 10.4 Addition and Subtraction: Like Denominators

- - - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - - -

**10.4Addition and Subtraction:Like Denominators**Standard 13.0: Add and subtract rational expressions.**Adding and Subtracting Rules: Like Denominators**• Change Subtraction to Add the Opposite • Factor the Denominator • Add the Numerator • Factor the Numerator if possible • Simplify if possible**#3 Add or subtract. Simplify**Add the numerator and keep the denominator**#4 Add or subtract. Simplify**Add the numerator and keep the denominator**#6 Add or subtract. Simplify**-28 -7 4 -3**#7 Add or subtract. Simplify**9 3 3 6