Answer
$\frac{3}{8}$.
Work Step by Step
6 hours to 16 hours
$\frac{6 hours}{16 hours}$
now as both numerator and denominator has same unit it can be divided out.
$\frac{6}{16}$
Now divide both numerator and denominator by 2.
$\frac{6 ÷ 2}{16 ÷ 2}$
it can be written as a fraction in the lowest term as $\frac{3}{8}$.