Complex fractions are an important part of math, and understanding how to identify equivalent expressions can help to simplify and solve complex equations. This article will explain what complex fractions are and how to identify which expressions are equivalent to a given complex fraction.

## Understanding Complex Fractions

A complex fraction is a fraction that contains a fraction in either the numerator or the denominator. It is made up of two fractions, and the fraction in the numerator or denominator can be either a simple fraction or another complex fraction.

For example, the following expression is a complex fraction:

$$frac{2div3}{5div7}$$

Here, the numerator is a simple fraction and the denominator is a complex fraction.

## Identifying Equivalent Expressions

When trying to find an equivalent expression to a given complex fraction, it is important to simplify the fractions first. The process of simplifying a fraction involves reducing the fraction to its simplest form by finding the greatest common factor of the numerator and denominator.

To find an equivalent expression to the given complex fraction, the fractions in the numerator and denominator must be reduced to their simplest form. After simplifying the fractions, the expression can then be written in its simplest form.

For example, the expression $$frac{2div3}{5div7}$$ can be simplified to $$frac{2}{5}$$. This expression is equivalent to the original complex fraction, and is written in its simplest form.

In summary, complex fractions are fractions that contain fractions in either the numerator or denominator. To find an equivalent expression to a given complex fraction, it is important to simplify the fractions first by finding the greatest common factor of the numerator and denominator. After simplifying the fractions, the expression can then be written in its simplest form.

Understanding complex fractions and how to identify equivalent expressions is an important part of math. By following the steps outlined in this article, you can easily identify which expressions are equivalent to a given complex fraction.