Question

Алгебра ПОМОГИТЕ ПОЖАЛУЙСТА​

Answer 1

$1)\frac{2 \ \boxed{x}}{3 \ \boxed{x}}=\frac{2}{3}\\\\2)\frac{15x}{25y}=\frac{3x* \ \boxed5}{5y* \ \boxed5}=\frac{3x}{5y}\\\\3)\frac{6a}{24a}=\frac{\boxed{6a}}{4* \ \boxed{6a}}=\frac{1}{4}\\\\4)\frac{7ab}{21bc}=\frac{a* \ \boxed{7b}}{3c* \ \boxed{7b}}=\frac{a}{3c}$