We need to perform an operation on two fractions. They do not have the same denominator.

​

.1 Common denominator searching

​

Let us keep it simple, if we want the denominator B, inside of fraction (A/B) to equal D, inside of fraction (C/D), we just combine them!

​

To get B = D, we will use B*D

​

To do this, with B = 1 + x and then D = x