Convert decimal numbers in the list $\frac{1}{2},\frac{1}{7},\frac{1}{2},30$ to fractions.
$$\frac{1}{2},\frac{1}{7},\frac{1}{2},30$$
Least common denominator of the numbers in the list $\frac{1}{2},\frac{1}{7},\frac{1}{2},30$ is $14$. Convert numbers in the list to fractions with denominator $14$.
