г) -7 4/5 : (-1 11/15) = 7 8/3 / 56/15

-39/5 : (-26/15) = 39/5 * 15/26 = 3/1 * 3/2 = 9/2.
7 8/3 = 29/3.
56/15.
9/2 is not equal to 29/3 or 56/15. The given equation is incorrect.