4:(-1\2) = 4/$-1/2$ = 4 * $-2$ = -85:(-5\8) = 5/$-5/8$ = 5 * $-8/5$ = -40/5 = -8-6:(-3\5) = -6 / $-3/5$ = -6 * $-5/3$ = 30/3 = 10(-5\6):(-5\12) = $-5/6$/$-5/12$ = $-5/6$ * $-12/5$ = 60/30 = 2-3 3\4:1 1\2 = -3 3/4 : 1 1/2 = $-3<em>4+3$ : $1</em>2+1$ = -9 : 3 = -31 7\9:(-2 2\3) = 1 7/9 / $-8/3$ = 1 7/9 * $-3/8$ = -29/24 = -1 5/24(-8 2\5):7 = $-42/5$ : 7 = -6(-7 1\2):$-5$ = $-15/2$ : $-5$ = 15/10 = 3/2 = 1 1/24 2\3:(-1 1\6) = $14/3$ / $-7/6$ = $14/3$ * $-6/7$ = -84/21 = -4