Question

efectuati: (-8pe21):4pe7

Answer 1

-8/21:4/7=

-8/21*7/4=

-2/3*1/1=-2/3

Answer 2

$\frac{\frac{-8}{21} }{\frac{4}{7} } =-\frac{\frac{8}{21} }{\frac{4}{7} }=-\frac{2}{3}$