Question

Calcule as somas das seguintes frações​

Answer 1

$\large\boxed{\begin{array}{l}\rm d)~\sf\dfrac{6}{5}-\dfrac{2}{3}-\dfrac{1}{3}=\dfrac{18-10-5}{15}=\dfrac{3\div3}{15\div3}\\\\\sf\dfrac{6}{5}-\dfrac{2}{3}-\dfrac{1}{3}=\dfrac{1}{5}\blue{\checkmark}\\\\ \rm e)~\sf\dfrac{7}{3}+\dfrac{3}{4}-\dfrac{2}{4}=\dfrac{28+9-6}{12}=\dfrac{31}{12}\blue{\checkmark}\\\\\rm f)~\sf\dfrac{10}{3}+\dfrac{1}{5}-\dfrac{2}{3}=\dfrac{50+3-10}{15}=\dfrac{43}{15}\blue{\checkmark}\end{array}}$