Answer
$\frac{9b-4}{5b(b-1)}$
Work Step by Step
$\frac{4}{5b}$+$\frac{1}{b-1}$=
$\frac{4(b-1)}{5b(b-1)}$+$\frac{1*5b}{(b-1)5b}$=
$\frac{4(b-1)+5b}{5b(b-1)}$=
$\frac{4b-4+5b}{5b(b-1)}$=
$\frac{9b-4}{5b(b-1)}$
Algebra: A Combined Approach (4th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321726391
ISBN 13:
978-0-32172-639-1
Chapter 7 - Section 7.4 - Adding and Subtracting Rational Expressions with Different Denominators - Exercise Set - Page 516: 33
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