Answer
$\frac{20}{x}$ + $\frac{x}{20}$
Work Step by Step
the sum of 20 divided by a number and that number divided by 20
Let the number be x
20 divided by a number = $\frac{20}{x}$
number divided by 20 = $\frac{x}{20}$
sum of $\frac{20}{x}$ and $\frac{x}{20}$ = $\frac{20}{x}$ + $\frac{x}{20}$