Intermediate Algebra: Connecting Concepts through Application

Published by Brooks Cole
ISBN 10: 0-53449-636-9
ISBN 13: 978-0-53449-636-4

Appendix A - Basic Algebra Review - A Exercises: 48

Answer

$\frac{-4}{105}$ or $-\frac{4}{105}$

Work Step by Step

Step 1: $\frac{8}{15}-\frac{4}{7}$ Step 2: $\frac{8\times7}{15\times7}-\frac{4\times15}{7\times15}$ Step 3: $\frac{56}{105}-\frac{60}{105}$ Step 4: $\frac{56-60}{105}$ Step 5: $\frac{-4}{105}$ or $-\frac{4}{105}$
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