Elementary Technical Mathematics

Published by Brooks Cole
ISBN 10: 1285199197
ISBN 13: 978-1-28519-919-1

Chapter 1 - Section 1.7 - Addition and Subtraction of Fractions - Exercise: 44

Answer

$13\frac{17}{30}$

Work Step by Step

We combine the fractions by finding the LCD and simplify if necessary: $5\displaystyle \frac{2}{5}+3\frac{7}{10}+4\frac{7}{15} =5\displaystyle \frac{12}{30}+3\frac{21}{30}+4\frac{14}{30} =12\displaystyle \frac{47}{30}=13\frac{17}{30}$
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