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 - Page 40: 36

Answer

$2\frac{1}{4}$

Work Step by Step

We combine the fractions by finding the LCD and simplify if necessary: $8=7\frac{4}{4}$ ${5\frac{3}{4}}={5\frac{3}{4}}$ $7\frac{4}{4}-{5\frac{3}{4}}=2\frac{1}{4}$
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