## Step 1: Finding the Lowest Common Denominator (LCD)

For this instructable we will be using a simple equation 4/5+6/15= x.

Multiples of 5 are 5, 10, 15, 20, 25,...

Multiples of 15 are 15, 30, 45,...

**But wait!**15 is a multiple of both 5 and 15!

**Our LCD is 15****Signing Up**