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: 81



Work Step by Step

$\frac{3}{8} + \frac{5}{12}$ the least common denominator for the denominators 8 and 12 is 24. To obtain denominators of 24, multiply the numerator and denominator of the first fraction by 3 and second fraction by 2 $\frac{3}{8} + \frac{5}{12}$ = $\frac{3*3}{8*3} + \frac{5*2}{12*2}$ $\frac{9}{24} + \frac{10}{24}$ Add the numerators and put this sum over the least common denominator. $\frac{9+10}{24}$ = $\frac{19}{24}$
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