Simplifica cada fracción y deja el denominador con signo positivo
\frac{21 x + 24 y}{15}
\frac{-12 x + 18 y}{24}
\frac{-18 x + 30 y}{18}
\frac{-90 x - 27 y}{-27}
\frac{12 x + 20 y}{-20}
\frac{-54 x - 48 y}{18}
\frac{30 x + 20 y}{10}
\frac{24 x + 28 y}{-16}
\frac{-20 x - 25 y}{5}
\frac{90 x - 100 y}{-30}
\frac{12 x - 18 y}{30}
\frac{-49 x + 70 y}{35}
\frac{-18 x - 48 y}{-18}
\frac{15 x + 35 y}{-20}
\frac{28 x + 35 y}{28}
\frac{63 x + 45 y}{18}
\frac{-20 x - 16 y}{16}
\frac{-30 x + 12 y}{-6}
\frac{-15 x - 18 y}{15}
\frac{-50 x - 70 y}{20}
\frac{8 x + 10 y}{2}
\frac{-4 x + 6 y}{4}
\frac{6 x + 9 y}{6}
\frac{-8 x - 6 y}{-10}
\frac{-36 x + 27 y}{-18}
\frac{9 x - 6 y}{15}
\frac{63 x - 27 y}{-27}
\frac{4 x - 6 y}{-2}
\frac{42 x + 60 y}{12}
\frac{-21 x - 14 y}{7}