# How do you simplify (7 / t) + (2 / t)?

The answer is $\frac{9}{t}$.
The fractions already have a common denominator (the $t$), so you can add them by adding their numerators and keeping the same denominator:
$\frac{7}{t} + \frac{2}{t} = \frac{7 + 2}{t} = \frac{9}{t}$.