Least common denominator of the numbers in the list $\frac{5}{6},\frac{3}{10}$ is $30$. Convert numbers in the list to fractions with denominator $30$.
$$\frac{25}{30},\frac{9}{30}$$
To sort the list, start from a single element $\frac{25}{30}$.
$$\frac{25}{30}$$
Insert $\frac{9}{30}$ to the appropriate location in the new list.
$$\frac{9}{30},\frac{25}{30}$$
Replace the obtained fractions with the initial values.