#### Answer

$13\frac{31}{45}$

#### Work Step by Step

We combine the fractions by finding the LCD and simplify if necessary:
$3\frac{4}{5}=3\frac{36}{45}$
${9\frac{8}{9}}=9\frac{40}{45}$
$3\frac{36}{45}+9\frac{40}{45}=12\frac{76}{45}=13\frac{31}{45}$

Published by
Brooks Cole

ISBN 10:
1285199197

ISBN 13:
978-1-28519-919-1

$13\frac{31}{45}$

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