You have the following expression:
[tex]\frac{2}{5}+\frac{3}{7}[/tex]In order to simplify the previous operation, proceed as follow:
[tex]\frac{2}{5}+\frac{3}{7}=\frac{(2)(7)+(5)(3)}{(5)(7)}=\frac{14+15}{35}=\frac{29}{35}[/tex]Hence, the simplied given expression is 29/30.
