Rational Expressions: Adding & Subtracting LIke Denominators

Match each expression with its simplified form:

Tags

CCSS.HSA.APR.D.7

 $\frac{u-v}{8v}+\frac{6u-3v}{8v}$  

•  $\frac{7u-4v}{16v}$  

•  $\frac{7u-4v}{8v}$  

•  $\frac{7u+2v}{8v}$  

•  $\frac{7u+2v}{16v}$  

Tags

CCSS.HSA.APR.D.7

Simplify $\frac{-5x}{x-9}-\frac{-8}{x-9}$  

•  $\frac{-5x+8}{x-9}$  

•  $\frac{-5x-8}{x-9}$  

•  $\frac{x-9}{-5x}$  

•  $\frac{x+8}{x}$  

Tags

CCSS.HSA.APR.D.7

Simplify $\frac{x}{x^2-49}-\frac{7}{x^2-49}$  

•  $\frac{7}{x+7}$  

•  $\frac{1}{x-7}$  

•  $\frac{x+7}{x}$  

•  $\frac{1}{x+7}$  

Tags

CCSS.HSA.APR.D.7

Tags

CCSS.HSA.APR.D.7

To add or subtract rational expressions we must have a (a)   >

• greatest common factor
• common denominator
• calculator
• proportion

Tags

CCSS.HSA.APR.D.7