Answer
$ \frac{9}{7}$
Work Step by Step
In order to add or subtract fractions, we need common denominators. Because 11/7 and 2/7 already have the same denominator, 7, we can subtract the numerators:
$ \frac{11}{7} - \frac{2}{7} = \frac{9}{7}$
Algebra 1: Common Core (15th Edition)
by Charles, Randall I.
Published by
Prentice Hall
ISBN 10:
0133281140
ISBN 13:
978-0-13328-114-9
Skills Handbook - Adding and Subtracting Fractions - Exercises - Page 803: 17
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