Simplifica cada fracción y deja el denominador con signo positivo
\frac{14 x + 21 y}{21}
\frac{-20 x + 22 y}{-10}
\frac{16 x - 18 y}{4}
\frac{-80 x - 30 y}{30}
\frac{-9 x + 12 y}{6}
\frac{30 x + 54 y}{-30}
\frac{-56 x + 63 y}{-7}
\frac{30 x - 25 y}{-25}
\frac{-64 x - 40 y}{-32}
\frac{-12 x + 15 y}{-3}
\frac{15 x + 10 y}{-20}
\frac{-12 x + 18 y}{6}
\frac{-27 x - 6 y}{12}
\frac{-10 x - 15 y}{10}
\frac{60 x + 50 y}{30}
\frac{24 x - 18 y}{30}
\frac{-15 x + 10 y}{15}
\frac{56 x - 16 y}{32}
\frac{42 x - 60 y}{30}
\frac{90 x + 40 y}{30}
\frac{-24 x - 20 y}{8}
\frac{-70 x + 80 y}{-40}
\frac{30 x - 40 y}{50}
\frac{36 x - 32 y}{16}
\frac{6 x - 4 y}{2}
\frac{-45 x - 18 y}{-27}
\frac{-64 x - 24 y}{-8}
\frac{24 x - 16 y}{-16}
\frac{-72 x + 80 y}{-8}
\frac{16 x + 12 y}{20}