Answer
9$\frac{1}{10}$
Work Step by Step
5$\frac{2}{5}$ + 3$\frac{7}{10}$
Convert the mixed fraction into improper fraction
5$\frac{2}{5}$ = $\frac{27}{5}$
3$\frac{7}{10}$ = $\frac{37}{10}$
The least common multiple of 5 and 10 is 10. Rewrite all the fractions as fractions with a least common denominator of 10.
$\frac{54}{10}$ + $\frac{37}{10}$ = $\frac{91}{10}$
$\frac{91}{10}$ is improper fraction so convert it into mixed fraction
$\frac{91}{10}$ = 9$\frac{1}{10}$