20+\frac{-5}{-26}

\frac{5}{12}+\frac{-2}{27}

\frac{7}{-20}+\frac{7}{5}

\frac{-29}{20}+\frac{17}{-28}

\frac{-8}{35}+\frac{-8}{-15}

20\cdot \frac{4}{13}

\frac{6}{-5}\cdot \frac{18}{5}

\frac{\frac{1}{-3}}{\frac{4}{-15}}=

\frac{\frac{5}{-6}}{\frac{-3}{17}}=

\frac{14}{\frac{-17}{6}}=

\frac{\frac{17}{-5}}{3}=

\frac {-100}{130} = \frac {\editable {} }{13}

\frac {8}{-5} = \frac {24}{\editable {} }

\frac {108}{-81} = \frac {\editable {} }{9}

\frac {13}{14} = \frac {-65}{\editable {} }

Simplifica la expresion algebraica

\frac{25 x - 10 y}{-25}

Simplifica la expresion algebraica

\frac{14 x - 12 y}{-6}

Simplifica la expresion algebraica

22 - 6 \cdot \frac{-11 - 10 x}{2}

Simplifica la expresion algebraica

9 - 2 \cdot \frac{1 + 9 x}{2}

Simplifica la expresion algebraica

31 - 21 \cdot \frac{3 - 6 x}{7}