a/bThe expression 'a/b' represents a fraction where 'a' is the numerator and 'b' is the denominator. It is used to denote division in mathematical expressions, particularly in algebra and calculus. Fractions are a way to express numbers that are not whole, and they are fundamental in various mathematical operations and problem-solving scenarios.
A simple fraction representing one half.
\frac{1}{2}A rational expression involving variables.
\frac{x+1}{x-1}A fraction with a polynomial in the numerator.
\frac{a^2 + b^2}{c}