Answer
$6$
Work Step by Step
Use the rule $a-(-b) = a+b$ to obtain:
$=\left(+2\dfrac{3}{4}\right)+\left(3\dfrac{1}{4}\right)
\\=(2+3)+\left(\frac{3}{4}+\frac{1}{4}\right)
\\=5+\frac{4}{4}
\\=5+1
\\=6$
Elementary Technical Mathematics
by Nelson, Robert; Eren, Dale;
Published by
Brooks Cole
ISBN 10:
1285199197
ISBN 13:
978-1-28519-919-1
Chapter 2 - Section 2.4 - Signed Fractions - Exercises - Page 118: 14
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