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 - Page 29: 74



Work Step by Step

$\frac{13}{18} - \frac{5}{18}$ The difference of two fractions with same denominators is the difference of their numerators over the common denominator. $\frac{13-5}{18}$ = $\frac{8}{18}$ Since 2 is the greatest common factor of 8 and 18, divide numerator and denominator by 2 $\frac{4*2}{9*2}$ = $\frac{4}{9}$
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