# How do you simplify ((1 - m)/m)/(m - 1/m)?

$= \frac{\frac{1 - m}{m}}{\frac{{m}^{2} - 1}{m}}$
$= \frac{1 - m}{m} \times \frac{m}{{m}^{2} - 1}$
= (1- m)/((m + 1)(m - 1)
$= - \frac{1}{m + 1}$