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: 40

Answer

$3\frac{13}{16}$

Work Step by Step

We combine the fractions by finding the LCD and simplify if necessary: $8\frac{1}{4}=7\frac{20}{16}$ $4\frac{7}{16}=4\frac{7}{16}$ $7\frac{20}{16}-4\frac{7}{16}=3\frac{13}{16}$
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