Prealgebra (7th Edition)

Published by Pearson
ISBN 10: 0321955048
ISBN 13: 978-0-32195-504-3

Chapter 4 - Section 4.6 - Complex Fractions and Review of Order of Operations - Exercise Set: 54

Answer

$-1\frac{17}{28}$

Work Step by Step

$(\frac{1}{2}\times\frac{2}{7})-(\frac{1}{2}\div\frac{2}{7})$ $=(\frac{1}{1}\times\frac{1}{7})-(\frac{1}{2}\times\frac{7}{2})$ $=\frac{1}{7}-\frac{7}{4}$ $=\frac{4}{28}-\frac{49}{28}$ $=-\frac{45}{28}$ $=-1\frac{17}{28}$
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