[tex]( \frac{3}{2} + \frac{7}{2} ) \div ( - \frac{5}{8} - \frac{4}{12} ) \\ ( \frac{10}{2} ) \div (- \frac{5}{8} \times \frac{3}{3} - \frac{4}{12} \times \frac{2}{2} ) \\ 5 \\ \frac{10}{2} \div ( - \frac{15}{24} - \frac{8}{24} ) \\ \frac{10}{2} \div ( - \frac{23}{24} ) \\ \frac{10}{2} \times - \frac{24}{23} \\ - \frac{240}{46} [/tex]
SIMPLIFICAR
[tex] - \frac{240}{46} \div \frac{2}{2} = - \frac{120}{23} [/tex]
CONVERTIR EN NÚMERO MIXTO
120÷23=5 residuo 5
=
[tex]5 \frac{5}{23} [/tex]
