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: 27



Work Step by Step

The fractions have the same denominator (bottom of the fraction), so we can add and subtract them. Because 7/2 is negative, this is the same as subtracting 7/2 (because adding a negative is the same as subtraction). $\frac{1}{2}$-$\frac{7}{2}$=-$\frac{6}{2}=-3$
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