## Prealgebra (7th Edition)

$8\frac{3}{20}$
Add fractions by converting to equivalent fractions using the least common multiple as the denominator. $3\frac{2}{5}+4\frac{3}{4}=3\frac{2\times4}{5\times4}+4\frac{3\times5}{4\times5}=3\frac{8}{20}+4\frac{15}{20}=7\frac{23}{20}=7+1+\frac{3}{20}=8\frac{3}{20}$