(-2/3+(+6 4/5))+(-5/6+(-2,3))

Question

(-2/3+(+6 4/5))+(-5/6+(-2,3))

Answer 1

(-2/3+(+6 4/5))+(-5/6+(-2,3)) =(-2/3+6 4/5)+(-5/6-2,3) =3

1)-2/3+6 4/5=-10/15+6 12/15=6 2/15
2)-5/6-2,3=-5/6 - 2 3/10=-5/6 -2 3/10=- 25/30- 2 9/30=-2 34/30=- 3 4/30=      -3 2/15
3) 6  2/15+(- 3 2/15)= 3