4+\frac{17}{24}

\frac{-10}{-21}+\frac{-1}{-9}

\frac{-25}{9}+\frac{2}{-27}

\frac{26}{35}+\frac{6}{-49}

\frac{1}{-7}+\frac{10}{-3}

-5\cdot \frac{-4}{-17}

\frac{20}{-9}\cdot \frac{7}{-9}

\frac{\frac{1}{3}}{\frac{-2}{-13}}=

\frac{\frac{15}{16}}{\frac{13}{-16}}=

\frac{9}{\frac{1}{14}}=

\frac{\frac{-6}{13}}{18}=

\frac {-17}{-11} = \frac {\editable {} }{77}

\frac {7}{7} = \frac {-35}{\editable {} }

\frac {-72}{-63} = \frac {\editable {} }{7}

\frac {9}{2} = \frac {81}{\editable {} }

Simplifica la expresion algebraica

\frac{70 x - 21 y}{-28}

Simplifica la expresion algebraica

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

Simplifica la expresion algebraica

14 - 8 \cdot \frac{10 - 10 x}{4}

Simplifica la expresion algebraica

32 - 27 \cdot \frac{-19 - 10 x}{9}

Simplifica la expresion algebraica

31 - 12 \cdot \frac{-13 + 3 x}{4}