Simplifica cada fracción y deja el denominador con signo positivo
\frac{-30 x - 40 y}{40}
\frac{-18 x + 63 y}{45}
\frac{40 x + 24 y}{40}
\frac{-56 x - 63 y}{-35}
\frac{35 x - 45 y}{5}
\frac{-36 x + 81 y}{27}
\frac{-45 x + 36 y}{9}
\frac{42 x + 60 y}{-24}
\frac{-28 x + 24 y}{20}
\frac{-10 x - 4 y}{-6}
\frac{-6 x + 4 y}{6}
\frac{-9 x + 6 y}{12}
\frac{-24 x - 40 y}{-32}
\frac{30 x + 70 y}{-50}
\frac{18 x - 21 y}{-3}
\frac{90 x - 63 y}{36}
\frac{-14 x - 10 y}{-8}
\frac{-21 x - 14 y}{-21}
\frac{14 x + 16 y}{6}
\frac{-80 x - 70 y}{40}
\frac{20 x + 24 y}{-4}
\frac{18 x - 27 y}{45}
\frac{-14 x - 49 y}{35}
\frac{-16 x - 24 y}{16}
\frac{-35 x - 21 y}{-14}
\frac{-50 x - 60 y}{20}
\frac{45 x + 36 y}{-9}
\frac{-30 x + 9 y}{-9}
\frac{-24 x + 27 y}{-12}
\frac{-70 x - 100 y}{40}