Answer
$\frac{19}{45}$.
Work Step by Step
$\frac{8}{9} - \frac{7}{15} = \frac{8 \cdot 5}{9 \cdot 5} - \frac{7 \cdot 3}{15 \cdot 3} = \frac{40}{45} - \frac{21}{45} = \frac{40-21}{45} = \frac{19}{45}$.
Basic College Mathematics (9th Edition)
by Lial, Margaret L.; Salzman, Stanley A.; Hestwood, Diana L.
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 220: 31
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