Basic College Mathematics (9th Edition)

Published by Pearson
ISBN 10: 0321825535
ISBN 13: 978-0-32182-553-7

Chapter 3 - Adding and Subtracting Fractions - Review Exercises - Page 254: 28

Answer

$\frac{17}{36}$

Work Step by Step

$\frac{11}{12}$ - $\frac{4}{9}$ ____ The least common multiple of 12 and 9 is 36. Rewrite both fractions as fractions with a least common denominator of 36. Rewrite as like fraction $\frac{11}{12}$ - $\frac{4}{9}$= $\frac{33}{36}$ - $\frac{16}{36}$ Subtract the numerator = $\frac{33 - 16}{36}$ = $\frac{17}{36}$ $\frac{17}{36}$ is in lowest term
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