Algebra 1: Common Core (15th Edition)

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

Skills Handbook - Adding and Subtracting Fractions - Exercises: 10

Answer

9 $\frac{14}{99}$

Work Step by Step

We start by adding the whole numbers: 3+5=8. In order to add or subtract fractions, we start by making a common denominator (bottom of the fraction). Thus, we multiply 7/9 by 11/11 and 4/11 by 9/9 to obtain: $\frac{77}{99}$+($\frac{36}{99}$)=$\frac{113}{99}=1\frac{14}{99}$. We add 8 to this to get an answer of 9 $\frac{14}{99}$.
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