+, - Rational Expressions with Unlike Denominators - 1

Perform the operation and simplify:

 $\frac{3v}{2xy}-\frac{12v}{3}$  

•  $\frac{9v}{5xy}$  

•  $\frac{9v-24vxy}{6xy}$  

•  $-\frac{3v}{6xy}$  

•  $\frac{3v-8vxy}{2xy}$  

Tags

CCSS.HSA.APR.D.7

Perform the indicated operation and simplify:  $\frac{x^2+5x-34}{x^2-9x+8}-\frac{10}{x-8}$  

•  $\frac{x^2-5x-44}{\left(x-8\right)\left(x-1\right)}$  

•  $\frac{x^2-5x-24}{\left(x-8\right)\left(x-1\right)}$  

•  $\frac{x+6}{x-1}$  

•  $\frac{x+3}{x-1}$  

Tags

CCSS.HSA.APR.D.7

Perform the indicated operation and simplify:  $\frac{6}{x-7}+\frac{1}{x^2-49}$  

•  $\frac{6x+8}{\left(x+7\right)\left(x-7\right)}$  

•  $\frac{6x-41}{\left(x+7\right)\left(x-7\right)}$  

•  $\frac{6x+43}{\left(x+7\right)\left(x-7\right)}$  

•  $\frac{6x+7}{\left(x+7\right)\left(x-7\right)}$  

Tags

CCSS.HSA.APR.D.7

Perform the indicated operation and simplify:  $\frac{1}{x}-\frac{1}{x-3}$  

•  $\frac{2x-3}{x\left(x-3\right)}$  

•  $\frac{1}{3}$  

•  $\frac{1}{x^2}$  

•  $\frac{-3}{x\left(x-3\right)}$  

Tags

CCSS.HSA.APR.D.7

Perform the indicated operation and simplify:  $\frac{7}{x+2}+\frac{4}{x-5}$  

•  $\frac{11}{\left(x+2\right)\left(x-5\right)}$  

•  $\frac{11x-3}{\left(x+2\right)\left(x-5\right)}$  

•  $\frac{11x-33}{\left(x+2\right)\left(x-5\right)}$  

•  $\frac{11x-27}{\left(x+2\right)\left(x-5\right)}$  

Tags

CCSS.HSA.APR.D.7

Find the least common denominator of the expression

• 18

• 6x

• 3xy

• 6xy

Tags

CCSS.HSA.APR.D.7

Add

• A.

• B.

• C.

• D.

Tags

CCSS.HSA.APR.D.7

Subtract the rational expressions.

• A

• B

• C

• D

Tags

CCSS.HSA.APR.D.7

Simplify the expression

• (30ab³ + 8a) / 10b³

• (15ab³ + 4a) / 5b³

• 10a / 7b³

• (10a) / (5b³ + 2)

Tags

CCSS.HSA.APR.D.7

Add

• $\frac{3x^2+13x\ +\ 20}{\left(2x-5\right)\left(x+2\right)\left(x-1\right)}$

• $\frac{3x+10}{\left(2x-5\right)\left(x+2\right)\left(x-1\right)}$

• $\frac{3x+10}{4x^2-8x-5}$

• $\frac{3x^2+13x+20}{4x^2-8x-5}$

Tags

CCSS.HSA.APR.D.7