Algebra-1 Problems

10.4 Add/Subtract Expressions: Like Denominators


Problem #

Problem Statement

Problems Similar To

1.

Add and simplify.

\begin{equation}\frac{5x}{2}+\frac{7x}{2}\end{equation}

2.

Add and simplify.

\begin{equation}\frac{9x}{x-7}-(\frac{2x}{x-7})\end{equation}

3.

Add and simplify.

\begin{equation}\frac{x+6}{x+8}+\frac{x+5}{x+8}\end{equation}

4.

Add and simplify.

\begin{equation}\frac{7}{9x+6}+\frac{7}{9x+6}\end{equation}

5.

Add and simplify.

\begin{equation}\frac{x^{2}+9x}{x+6}+\frac{5x+6}{x+6}\end{equation}

6.

Add and simplify.

\begin{equation}\frac{7x+2}{4x^{2}}+\frac{9x+3}{4x^{2}}\end{equation}

7.

Add and simplify.

\begin{equation}\frac{6x}{7x^{3}}+\frac{8x}{7x^{3}}\end{equation}

8.

Add and simplify.

\begin{equation}\frac{x^{2}+x}{x^{2}-16}-(\frac{x^{2}+4}{x^{2}-16})\end{equation}

9.

Add and simplify.

\begin{equation}\frac{6x-7}{x^{2}+13x+36}-(\frac{10x-7}{x^{2}+13x+36})\end{equation}

10.

Add and simplify.

\begin{equation}\frac{x^{2}+6x}{x^{2}+8x+12}+\frac{9}{x+2}\end{equation}