Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 1 - Foundations for Algebra - 1-5 Adding and Subtracting Real Numbers - Practice and Problem-Solving Exercises - Page 34: 28

Answer

-$\frac{19}{15}$

Work Step by Step

In order to add or subtract fractions, we start by making a common denominator (bottom of the fraction). Thus, we multiply 2/3 by 5/5 and 3/5 by 3/3 (this is legal because 5/5 and 3/3 equal one) to obtain: -$\frac{10}{15}$+(-$\frac{9}{15}$)=-$\frac{19}{15}$
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