Answer
$\dfrac{2}{5}$
Work Step by Step
Reduce to lowest terms by factoring the numerator and the denominator and then cancelling common factors:
$\require{cancel}=\dfrac{2(9)}{5(9)}
\\=\dfrac{2\cancel{(9)}}{5\cancel{(9)}}
\\=\dfrac{2}{5}$
Thinking Mathematically (6th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0321867327
ISBN 13:
978-0-32186-732-2
Chapter 5 - Number Theory and the Real Number System - 5.3 The Rational Numbers - Exercise Set 5.3 - Page 284: 2
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