Introductory Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-805-X
ISBN 13: 978-0-13417-805-9

Chapter 1 - Section 1.2 - Fractions in Algebra - Exercise Set: 55

Answer

$\frac{9}{5}$

Work Step by Step

$\frac{18}{5} \div $ 2 Change division to multiplication. Invert $\frac{2}{1}$ and writes its reciprocal. $\frac{18}{5}$ * $\frac{1}{2}$ = $\frac{18*1}{5*2}$ = $\frac{18}{10}$ Since 2 is the greatest common factor of 18 and 10. so divide numerator and denominator by 2 So $\frac{9*2}{5*2}$ = $\frac{9}{5}$
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