Question

ayudaaaaaaaaaaaaaaaaaaaaaaaaaaa​

Answer 1

Si te sirvió dale 5 estrellas o corona para seguir ayudando

$\frac{2}{5}+\frac{3}{5}=\frac{5}{5}=1 \\\\\frac{1}{2}+\frac{5}{8}=\frac{4+5}{8}=\frac{9}{8}\\\\\frac{8}{10}-\frac{2}{5}=\frac{8-4}{10}=\frac{4}{10}=\frac{2}{5}\\\\\frac{7}{2}-\frac{3}{9}=\frac{7-3}{9}=\frac{4}{9}$