Elementary Algebra

Published by Cengage Learning
ISBN 10: 1285194055
ISBN 13: 978-1-28519-405-9

Chapter 2 - Real Numbers - 2.1 - Rational Numbers: Multiplication and Division - Problem Set 2.1 - Page 48: 60


$\frac{5}{6}$ $\times$ $\frac{9}{10}$ $\times$ $\frac{8}{7}$ = $\frac{6}{7}$

Work Step by Step

$\frac{5}{6}$ $\times$ $\frac{9}{10}$ $\times$ $\frac{8}{7}$ = Multiply the numerators by each other, and multiply the denominators by each other $\frac{5 \times 9\times8}{6\times10\times7}$ = Factor the numerator and the denominator $\frac{5 \times 3\times3\times2\times2\times2}{2\times3\times2\times5\times7}$ = Cancel the common factors between the numerator and the denominator to obtain : $\frac{3 \times 2}{7}$ = $\frac{6}{7}$
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