Add and subtract rational expressions

Simplify the expression.

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CCSS.HSA.APR.D.7

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CCSS.HSA.APR.D.7

The first thing that I need to add or subtract fraction is

• Have the same numerator

• Have the same exact fraction

• Have the same denominator

• All of the above

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CCSS.4.NF.B.3D

CCSS.4.NF.B.3C

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CCSS.HSA.APR.D.7

Add

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CCSS.HSA.APR.D.7

Subtract the fractions

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• b
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• d

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CCSS.HSA.APR.D.7

• A.
• B.
• C.
• D.

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CCSS.HSA.APR.D.7

Simplify:

 $\frac{5x}{2x-3}-\frac{4x^2}{3x+1}$  

• no solution

•  $\frac{-8x^3+27x^2+5x}{\left(2x-3\right)\left(3x+1\right)}$  

•  $\frac{-8x^3+3x^2+5x}{\left(2x-3\right)\left(3x+1\right)}$  

•  $\frac{7x^2+17x}{\left(2x-3\right)\left(3x+1\right)}$  

Tags

CCSS.HSA.APR.D.7

Simplify: 

 $\frac{8x}{x-4}-\frac{11}{3x+1}$  

•  $\frac{24x^2-3x-44}{\left(3x+1\right)\left(x-4\right)}$  

•  $\frac{24x^2+19x-44}{\left(3x+1\right)\left(x-4\right)}$  

•  $\frac{24x^2-3x+44}{\left(3x+1\right)\left(x-4\right)}$  

•  $\frac{13x^2+52x}{\left(3x+1\right)\left(x-4\right)}$  

Tags

CCSS.HSA.APR.D.7

Simplify:

 $\frac{4x}{2x+8}-\frac{12}{x}$  

•  $\frac{4x^2+24x-96}{x\left(2x+8\right)}$  

•  $\frac{4x^2-24x+96}{x\left(2x+8\right)}$  

•  $\frac{4x^2-24x-96}{x\left(2x+8\right)}$  

•  $\frac{4x^2+24x+96}{x\left(2x+8\right)}$  

Tags

CCSS.HSA.APR.D.7