If the numerator, denominator, or both contain fractions, then the expression is called a complex fraction. The fraction bar indicates division. To simplify a complex fraction:
-
Simplify both numerator and denominator expressions into single fraction expressions.
-
Divide the numerator by the denominator and simplify if possible.
Example 1
Simplify 
.
Simplify numerator and denominator.
is already a single fraction expression.
Divide the numerator by the denominator and simplify.
Therefore, 
Example 2
Simplify 
.
Simplify numerator and denominator.
Divide numerator by denominator and simplify.
Therefore, 