Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

Published by Pearson
ISBN 10: 0-32184-874-8
ISBN 13: 978-0-32184-874-1

Chapter 1-3 - Cumulative Review - Page 228: 7



Work Step by Step

Make the fractions similar using their LCD of $60$: $\frac{3}{5}-\frac{5}{12} \\=\frac{3\color{blue}{(12)}}{5\color{blue}{(12)}}-\frac{5\color{blue}{(5)}}{12\color{blue}{(5)}} \\=\frac{36}{60}-\frac{25}{60}$ Subtract the numerators then copy the denominator to obtain: $=\frac{36-25}{60} \\=\frac{11}{60}$
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