Answer
3
Work Step by Step
In order to add or subtract fractions, we need the denominators to be the same. The denominators of these two fractions are already the same, so we can add the numerators:
$ \frac{3}{4} +\frac{9}{4}=\frac{12}{4}=3$
Elementary Algebra
by Kaufmann, Jerome; Schwitters, Karen;
Published by
Cengage Learning
ISBN 10:
1285194055
ISBN 13:
978-1-28519-405-9
Chapter 2 - Real Numbers - 2.2 - Addition and Subtraction of Rational Numbers - Problem Set 2.2 - Page 57: 5
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