How to enter a fraction in preparations?

The teacher can write the fractions in the so-called mathematical mode using LaTeX syntax as follows:

$ \frac{numerator}{denominator} $, e.g. $ \frac{1}{2} $

How to enter mathematical symbols in questions?

Result after saving the card:

If you use complex fractions , for better readability we recommend either using the formula, ie. an expression enclosed in two dollars $$ ... $$ or if you need to have a complex fraction in a line, use the command \dfrac{numerator}{denominator} . The \dfrac command renders a larger fraction.

This is what these terms look like:

link: u3430