algebraic fraction

In algebra, an algebraic fraction is a fraction whose numerator and denominator are algebraic expressions. Two examples of algebraic fractions are \frac{3x}{x^2+2x-3} and \frac{\sqrt{x+2}}{x^2-3}.

1. To simplify the algebraic fraction, we need to factor both the numerator and the denominator.
   为了简化这个代数分数，我们需要对分子和分母进行因式分解。