Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 1 - Foundations for Algebra - 1-1 Variables and Expressions - Practice and Problem-Solving Exercises - Page 8: 47



Work Step by Step

First, you must get a common denominator, and in this case, it will be 10. Now you must make both fractions have a denominator of 10. $\frac{2}{5}$=$\frac{4}{10}$. Now just add the numerators, and you will get your answer of $\frac{7}{10}$.
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