Resposta:
[tex]\Biggl(\dfrac{3}{2}-\dfrac{2}{5}\Biggl)+\Biggl(\dfrac{5}{4}-\dfrac{2}{3}\Biggl)=\\\\\\\dfrac{15-4}{10}+\dfrac{15-8}{12}\\\\\dfrac{11}{10}+\dfrac{7}{12}\\\\\\\dfrac{66+35}{60}=\dfrac{101}{60}[/tex]
Explicação passo a passo:
