Question

1/5+3/8-2/9=
помогите пожалуйста

Answer 1

$\frac{1}{5}+\frac{3}{8}-\frac{2}{9}=\frac{8}{40}+\frac{15}{40}-\frac{2}{9}=\frac{23}{40}-\frac{2}{9}=\frac{207}{360}-\frac{80}{360}=\frac{207-80}{360}=\frac{127}{360}$