Simplifying a complex fraction by Method 1 is a good way to review the methods of adding, subtracting, multiplying, and dividing rational expressions. Method 2 gives a good review of the fundamental property of rational numbers. 

Refer to the following complex fraction, and work Exercises in order.

Divide the answer from Exercise 49 by the answer from Exercise 50.

Data from in Exercise 49

Add the fractions in the numerator.

Exercise 50

Subtract as indicated in the denominator.

4. m + 2 + m m-1 m+2 m 2 m-1