Simplifica cada fracción y deja el denominador con signo positivo
\frac{48 x - 40 y}{-24}
\frac{70 x - 30 y}{20}
\frac{18 x + 48 y}{12}
\frac{30 x + 36 y}{30}
\frac{-14 x - 12 y}{-10}
\frac{28 x + 24 y}{-8}
\frac{-20 x + 14 y}{8}
\frac{-30 x - 36 y}{12}
\frac{90 x + 40 y}{-50}
\frac{72 x + 81 y}{18}
\frac{-54 x - 42 y}{6}
\frac{14 x + 20 y}{-6}
\frac{-40 x + 50 y}{50}
\frac{45 x - 40 y}{15}
\frac{63 x + 81 y}{45}
\frac{32 x + 12 y}{16}
\frac{30 x + 12 y}{-6}
\frac{-12 x - 8 y}{-20}
\frac{15 x - 20 y}{20}
\frac{-28 x + 32 y}{-20}
\frac{72 x - 63 y}{-36}
\frac{90 x - 100 y}{-50}
\frac{49 x - 56 y}{14}
\frac{-21 x - 70 y}{-14}
\frac{-9 x - 12 y}{-6}
\frac{-64 x - 72 y}{-40}
\frac{35 x + 40 y}{5}
\frac{50 x - 60 y}{20}
\frac{36 x + 32 y}{-12}
\frac{-18 x - 14 y}{-4}