-17+\frac{-30}{23}

\frac{3}{4}+\frac{-14}{-15}

\frac{-4}{-7}+\frac{-17}{8}

\frac{-23}{45}+\frac{-19}{-81}

\frac{3}{-8}+\frac{-2}{-5}

17\cdot \frac{19}{17}

\frac{2}{11}\cdot \frac{19}{-4}

\frac{\frac{-3}{4}}{\frac{-3}{2}}=

\frac{\frac{3}{4}}{\frac{-11}{17}}=

\frac{-14}{\frac{9}{-10}}=

\frac{\frac{3}{-2}}{17}=

\frac {-140}{140} = \frac {\editable {} }{-14}

\frac {-10}{20} = \frac {30}{\editable {} }

\frac {-56}{104} = \frac {\editable {} }{-13}

\frac {105}{-91} = \frac {-15}{\editable {} }

Simplifica la expresion algebraica

\frac{-35 x + 49 y}{7}

Simplifica la expresion algebraica

\frac{72 x + 81 y}{36}

Simplifica la expresion algebraica

33 - 20 \cdot \frac{-5 + 3 x}{10}

Simplifica la expresion algebraica

34 - 18 \cdot \frac{16 - 7 x}{6}

Simplifica la expresion algebraica

10 - 6 \cdot \frac{13 - 7 x}{6}