Answer
$-\frac{11}{36}$
Work Step by Step
LCD is 36.
$\frac{1}{9}-\frac{5}{12}=\frac{1\times4}{9\times4}-\frac{5\times3}{12\times3}=\frac{4}{36}-\frac{15}{36}=\frac{4-15}{36}=\frac{-11}{36}$
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: 29
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