Question

what is - 7/10 + (- 5/6) =

Answer 1

-23/15 is the answer

Answer 2

-7/10 + (-5/6) = -(7/10 + 5/6) =

= -(21/30 + 25/30) = -46/30 =

= -1 16/30 = -1 8/15 ← the end