Basic College Mathematics (9th Edition)

Published by Pearson
ISBN 10: 0321825535
ISBN 13: 978-0-32182-553-7

Chapter 3 - Adding and Subtracting Fractions - 3.3 Adding and Subtracting Unlike Fractions - 3.3 Exercises - Page 222: 52

Answer

The diameter is$\frac{1}{2}$ inch.

Work Step by Step

$\frac{7}{8} - \frac{3}{16} - \frac{3}{16}$ Visual inspection shows the LCM is 16. Express as like fractions and subtract. Simplify. $\frac{7}{8} - \frac{3}{16} - \frac{3}{16}$ = $\frac{14}{16} - \frac{3}{16} - \frac{3}{16}$ = $\frac{8}{16}$ = $\frac{1}{2}$
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