### Home > ACC6 > Chapter 4 Unit 4 > Lesson CC1: 4.2.3 > Problem 4-72

4-72.

Simplify the following expressions.

Covert both mixed numbers to fractions greater than one.

Make both fractions have a denominator of 8.

Simplify.

Convert each fraction to have a denominator of 30.

Change these to fractions greater than one and then subtract.