Answer
$\frac{-7}{9}$
Work Step by Step
To add two negative numbers, we add their absolute values ($\frac{5}{9} + \frac{2}{9} = \frac{7}{9}$) and make the sum negative ($\frac{-7}{9}$).
Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)
by Bittinger, Marvin L.; Ellenbogen, David J.; Johnson, Barbara L.
Published by
Pearson
ISBN 10:
0-32184-874-8
ISBN 13:
978-0-32184-874-1
Chapter 1 - Introduction to Algebraic Expressions - 1.5 Addition of Real Numbers - 1.5 Exercise Set - Page 42: 52
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