Answer
$\frac{41}{72}$
Work Step by Step
We combine the fractions by finding the LCD and simplify if necessary:
$\displaystyle \frac{7}{8}-\frac{2}{9}-\frac{1}{12}=\frac{63}{72}-\frac{16}{72}-\frac{6}{72}=\frac{41}{72}$
Elementary Technical Mathematics
by Nelson, Robert; Eren, Dale;
Published by
Brooks Cole
ISBN 10:
1285199197
ISBN 13:
978-1-28519-919-1
Chapter 1 - Section 1.7 - Addition and Subtraction of Fractions - Exercise - Page 40: 32
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