Basic College Mathematics (10th Edition)

by Lial, Margaret L.; Salzman, Stanley A.; Hestwood, Diana L.

Published by Pearson

ISBN 10: 0134467795

ISBN 13: 978-0-13446-779-5

Chapter 3 - Adding and Subtracting Fractions - 3.3 Adding and Subtracting Unlike Fractions - 3.3 Exercises - Page 221: 42

Answer

The length of the bolt is $\frac{47}{60}$ inches.

Work Step by Step

$\frac{1}{5} + \frac{1}{3} + \frac{1}{4}$ Find the LCM my multiplying the denominators. 5 X 3 X 4 = 60 Express as like fractions and add. $\frac{12}{60} + \frac{20}{60} + \frac{15}{60}$ = $\frac{47}{60}$

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