Add and Subtract Unlike Denominators

$$\frac{7u-4v}{16v}$$  

$$\frac{7u-4v}{8v}$$  

$$\frac{7u+2v}{8v}$$  

$$\frac{7u+2v}{16v}$$  

5m+4

4

2m

m-3

$$\frac{4m-12}{\left(m-3\right)\left(5m+4\right)}$$  

$$\frac{4m-12}{m-3}$$  

$$\frac{4m-12}{5m+4}$$  

$$\frac{m-3}{5m+4}$$  

$$\frac{4}{m-3}$$  

$$10m^2+8m$$  

$$\frac{2m}{5m+4}$$  

$$\frac{10m^2+8m}{\left(m-3\right)\left(5m+4\right)}$$  

$$\frac{5m+4}{m-3}$$  

$$\frac{3m+3}{m-1}$$  

$$\frac{10m^2+12m-12}{\left(m-3\right)\left(5m+4\right)}$$  

$$\frac{4+2m}{6m+1}$$  

$$\frac{21m-56}{5\left(m-6\right)}$$  

3

x

x+6

5x

$$\frac{x+6}{3}$$  

$$\frac{5x}{x+6}$$  

$$\frac{5x+30}{3\left(x+6\right)}$$  

$$\frac{5x^2+30x}{3\left(x+6\right)}$$  

$$\frac{3}{3\left(x+6\right)}$$  

$$\frac{9x}{3\left(x+6\right)}$$  

$$\frac{3}{x+6}$$  

$$\frac{1}{x+6}$$  

$$\frac{5x^2+31x+4}{3\left(x+6\right)}$$  

$$\frac{5x^2+31x+6}{2}$$  

$$\frac{x}{1-x^2-6x}$$  

$$\frac{5x^2+30x-3}{3\left(x+6\right)}$$  

A.

B.

C.

D.