# Chapter 4 - Section 4.4 - Adding and Subtracting Like Fractions, Least Common Denominator, and Equivalent Fractions - Exercise Set: 18

-$\frac{3}{z}$

#### Work Step by Step

$\frac{4}{z}$ -$\frac{7}{z}$ Subtract the numerator. Keep the common denominator =$\frac{4-7}{z}$ =$\frac{-3}{z}$

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.