4+\frac{-9}{-13}

\frac{-5}{-36}+\frac{-23}{-16}

\frac{17}{56}+\frac{1}{-5}

\frac{1}{-32}+\frac{-3}{8}

\frac{-23}{-40}+\frac{2}{-3}

-12\cdot \frac{13}{8}

\frac{19}{13}\cdot \frac{-20}{-9}

\frac{\frac{-1}{13}}{\frac{11}{-3}}=

\frac{\frac{-18}{5}}{\frac{-4}{15}}=

\frac{6}{\frac{-14}{-13}}=

\frac{\frac{11}{-6}}{-5}=

\frac {-12}{5} = \frac {\editable {} }{-25}

\frac {-12}{-34} = \frac {-6}{\editable {} }

\frac {21}{-119} = \frac {\editable {} }{17}

\frac {-18}{-15} = \frac {-144}{\editable {} }

Simplifica la expresion algebraica

\frac{-30 x - 12 y}{24}

Simplifica la expresion algebraica

\frac{28 x + 40 y}{-8}

Simplifica la expresion algebraica

10 - 8 \cdot \frac{-9 - 4 x}{4}

Simplifica la expresion algebraica

14 - 12 \cdot \frac{16 - 8 x}{6}

Simplifica la expresion algebraica

17 - 7 \cdot \frac{3 - 2 x}{7}