Question

add.

\\\frac{8}{4+z} + \frac{7}{4+z}\\

\\\frac{8}{4+z} + \frac{7}{4+z} = \square\\
(simplify your answer.)

Explanation:

Identify the common denominator

$$ \text{Denominator} = 4 + z $$

Add the numerators

$$ 8 + 7 = 15 $$

Write the simplified expression

$$ \frac{15}{4 + z} $$

Answer:

Add.
\(\frac{8}{4+z}+\frac{7}{4+z}=\) <blank>\(\frac{15}{4+z}\)</blank>
(Simplify your answer.)