-18+\frac{11}{-26}

\frac{11}{-24}+\frac{-1}{2}

\frac{-25}{-28}+\frac{2}{25}

\frac{11}{-45}+\frac{-4}{-25}

\frac{1}{-2}+\frac{-4}{9}

5\cdot \frac{9}{-10}

\frac{-9}{-19}\cdot \frac{-10}{3}

\frac{\frac{-12}{11}}{\frac{8}{7}}=

\frac{\frac{10}{9}}{\frac{-20}{-3}}=

\frac{7}{\frac{-1}{18}}=

\frac{\frac{19}{-13}}{-13}=

\frac {-13}{-11} = \frac {\editable {} }{33}

\frac {-16}{16} = \frac {4}{\editable {} }

\frac {-42}{-24} = \frac {\editable {} }{-8}

\frac {-9}{-9} = \frac {-36}{\editable {} }

Simplifica la expresion algebraica

\frac{27 x + 18 y}{45}

Simplifica la expresion algebraica

\frac{81 x - 36 y}{36}

Simplifica la expresion algebraica

31 - 14 \cdot \frac{-14 - 5 x}{7}

Simplifica la expresion algebraica

28 - 12 \cdot \frac{-5 - 7 x}{4}

Simplifica la expresion algebraica

15 - 14 \cdot \frac{17 + 7 x}{7}