Question

necesito que me ayuden a resolver estas fracciones URGENTEEEEE!!!!!!!
8/6 - 12/8=
12/7 - 20/14 + 25/90=
-10/5 - 32/15 + 25/90=

Answer 1

$\frac{8}{6} - \frac{12}{8} = - \frac{1}{6} \\ \frac{12}{7} - \frac{20}{14} + \frac{25}{90} = \frac{71}{126} \\ - \frac{10}{5} - \frac{32}{15} + \frac{25}{90} = - \frac{347}{90}$

espero te ayude ฅ^•ﻌ•^ฅ