Add $\frac{2}{3}$ and $\frac{1}{823543}$ to get $\frac{1647089}{2470629}$.
$$sort(\frac{1647089}{2470629},\frac{-3}{4})$$
Fraction $\frac{-3}{4}$ can be rewritten as $-\frac{3}{4}$ by extracting the negative sign.
$$sort(\frac{1647089}{2470629},-\frac{3}{4})$$
Least common denominator of the numbers in the list $\frac{1647089}{2470629},-\frac{3}{4}$ is $9882516$. Convert numbers in the list to fractions with denominator $9882516$.
