-1 11\12 ÷ 1 1\3
- [ 1 + 11/12] = - [ 23/12]
[1 + 1/3} = 4/3
So we have
-23/12 / 4/3 invert the second fraction and multiply
-23/12 * 3/4 =
-69/48 = reduce
-23/16
