-8 2/5 : 7 = -42/5 : 7 = -42/5 * 1/7 = -42/35 = -6/5
13 4/5 : (-6) = 69/5 : (-6) = 69/5 * (-1/6) = -69/30 = -23/10
9 1/3 : (-6 2/9) = 28/3 : (-56/9) = 28/3 * (-9/56) = -252/168 = -3/2
-8 2/5 : 7 = -42/5 : 7 = -42/5 * 1/7 = -42/35 = -6/5
13 4/5 : (-6) = 69/5 : (-6) = 69/5 * (-1/6) = -69/30 = -23/10
9 1/3 : (-6 2/9) = 28/3 : (-56/9) = 28/3 * (-9/56) = -252/168 = -3/2