Answer
$x+ \frac{1}{2}$
Work Step by Step
"The sum" means addition. "A number" is represented by x. So,
$x+ \frac{1}{2}$
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 274: 81
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