New to Sophia?
This lesson explains why units of measurement need to be the same in order to simplify a ratio.
Sophia college courses cost up to 80% less than traditional courses*. Start a free trial now.
In this lesson, I'll explain why in order to truly simplify a ratio of measurements (e.g., 100 feet / 2 centimeters), we need to make sure the measurements are using the same units first.