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: 73

Answer

$\frac{1}{6}$

Work Step by Step

$\frac{7}{12} - \frac{5}{12}$ The difference of two fractions with same denominators is the difference of their numerators over the common denominator. $\frac{7-5}{12}$ = $\frac{2}{12}$ Since 2 is the greatest common factor of 2 and 12, divide numerator and denominator by 2 $\frac{1*2}{6*2}$ = $\frac{1}{6}$
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