# Stacked fractions

A fraction written on multiple levels is often ambiguous, especially when handwritten. For example, $$\frac{10}{\frac{2}{5}}$$ and $$\frac{\frac{10}{2}}{5}$$ result in 25 and 1, respectively.

Things get even worse when you use the letter $$\Xi$$ in this convoluted example[1]:

$$\frac{\bar \Xi}{\Xi}$$, handwritten