Answer
$\frac{10z-1}{12}$
Work Step by Step
LCD is 12.
$\frac{5z}{6}-\frac{1}{12}=\frac{5z\times2}{6\times2}-\frac{1}{12}=\frac{10z}{12}-\frac{1}{12}=\frac{10z-1}{12}$
Prealgebra (7th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321955048
ISBN 13:
978-0-32195-504-3
Chapter 4 - Section 4.5 - Adding and Subtracting Unlike Fractions - Exercise Set - Page 273: 20
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