Answer
18
Work Step by Step
To find the LCD, or the Least Common Multiple,we must write out each as products of prime factors.
$6 = 2 \times 3 $
$9 = 3 \times 3$
The Least Common Multiple, or LCD, then is $2\times 3\times 3= 18$
Algebra 1
by Hall, Prentice
Published by
Prentice Hall
ISBN 10:
0133500403
ISBN 13:
978-0-13350-040-0
Chapter 11 - Rational Expressions and Functions - 11-4 Adding and Subtracting Rational Expressions - Practice and Problem-Solving Exercises - Page 675: 18
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