Answer
$\frac{1}{2}$
Work Step by Step
We combine the fractions by finding the LCD and simplify if necessary:
$\displaystyle \frac{4}{5}-\frac{3}{10}=\frac{8}{10}-\frac{3}{10}=\frac{5}{10}=\frac{1}{2}$
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: 27
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