Answer
$\frac{11}{7}$ or $1\frac{4}{7}$
Work Step by Step
When adding like fractions, the denominator of the sum is the same as the denominator of the addends. The denominators should not be not summed.
$\frac{2}{7}+\frac{9}{7}=\frac{11}{7}$
Prealgebra (7th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321955048
ISBN 13:
978-0-32195-504-3
Chapter 4 - Section 4.4 - Adding and Subtracting Like Fractions, Least Common Denominator, and Equivalent Fractions - Exercise Set - Page 264: 89
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