Find the reciprocal of :

$125\dfrac{1}{8}$

We have:

$125\dfrac{1}{8} = \dfrac{1001}{8} \hspace{1.5cm}\text{[Converting mixed to improper fraction]}$

Interchanging its numerator and denominator we get,

$\dfrac{1001}{8}$ = $\dfrac{8}{1001}$

∴ The reciprocal of $\dfrac{1001}{8}$ is $\dfrac{8}{1001}$