(-2/3+(+6 4/5)) + (-5/6+(-2,3)) (-5/8+(-2,6))+(4 7/8 +(-3 2/5))

Question

(-2/3+(+6 4/5)) + (-5/6+(-2,3))
(-5/8+(-2,6))+(4 7/8 +(-3 2/5))

Answer 1

=6 2/15-3 2/15=3
=-3 9/40+1 19/40=-1 3/4