15+\frac{18}{11}

\frac{1}{2}+\frac{-17}{56}

\frac{2}{-7}+\frac{2}{-21}

\frac{19}{-20}+\frac{1}{-5}

\frac{3}{10}+\frac{23}{-30}

-14\cdot \frac{-16}{3}

\frac{1}{19}\cdot \frac{-2}{-5}

\frac{\frac{-13}{-19}}{\frac{4}{13}}=

\frac{\frac{-5}{3}}{\frac{11}{7}}=

\frac{6}{\frac{7}{18}}=

\frac{\frac{-13}{12}}{-17}=

\frac {-8}{-3} = \frac {\editable {} }{27}

\frac {17}{-3} = \frac {85}{\editable {} }

\frac {-11}{-20} = \frac {\editable {} }{-80}

\frac {-3}{16} = \frac {-24}{\editable {} }

Simplifica la expresion algebraica

\frac{36 x + 20 y}{-16}

Simplifica la expresion algebraica

\frac{63 x - 81 y}{18}

Simplifica la expresion algebraica

15 - 6 \cdot \frac{-9 - 6 x}{6}

Simplifica la expresion algebraica

30 - 20 \cdot \frac{-19 - 6 x}{10}

Simplifica la expresion algebraica

12 - 6 \cdot \frac{17 - 4 x}{2}