Evaluate: /(4 a+8) 5 a+10

Expression: $$\frac { 4 a + 8 } { 5 a + 10 }$$

Factor the expressions that are not already factored.

$$\frac{4\left(a+2\right)}{5\left(a+2\right)}$$

Cancel out $a+2$ in both numerator and denominator.

$$\frac{4}{5}$$