Question

Doar ex 2. Va rooog muuuult

Answer 1

$15a = 8b \\ \\ a = \frac{8b}{15}$

$\frac{4 \frac{8b}{15} + 3b }{b - \frac{8b}{15} }$

$\frac{ \frac{4 \times 8b + 45b}{15} }{ \frac{7b}{15} }$

$\frac{ \frac{77b}{15} }{ \frac{7b}{15} } = \frac{77b}{15} \times \frac{15}{7b} = 11$