Reduce the fraction $\frac{2}{4}$ to lowest terms by extracting and canceling out $2$.
$$sort(\frac{1}{4},\frac{1}{2},\frac{3}{4})$$
Least common denominator of the numbers in the list $\frac{1}{4},\frac{1}{2},\frac{3}{4}$ is $4$. Convert numbers in the list to fractions with denominator $4$.
