Fractions Review

Write the mixed fraction into improper

 $1\frac{2}{5}$  

 $\frac{4}{5}-\frac{3}{10}$  

 $\frac{2}{3}+\frac{4}{5}$  

 $\frac{4}{9}\times\frac{3}{8}$  

 $1\frac{2}{5}\div\frac{3}{10}$