## Elementary Algebra

Published by Cengage Learning

# Chapter 2 - Real Numbers - Chapter 2 Test - Page 90: 2

#### Answer

$\frac{7}{9}$

#### Work Step by Step

We will simplify this expression by canceling common factors in both the numerator and the denominator: $\frac{42}{54}=\frac{21\times2}{27\times2}=\frac{21}{27}=\frac{7\times3}{9\times3}=\frac{7}{9}$

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