Question

Calculati:
(6/9 + 15/10 + 75/90) :3

Answer 1

(6x10/90+15x9/90+75/90):3=
60+135+75/90:3=
270/90:3=3:3=1

Answer 2

($\frac{6}{9} + \frac{15}{10} + \frac{75}{90} ):3$=

=($\frac{2}{3} + \frac{3}{2} + \frac{5}{6} ):3$=

=($\frac{4}{6} + \frac{9}{6} + \frac{5}{6} ):3$=

=$\frac{18}{6}$:3=

=3:3=1