\( \displaystyle {{ - 4} \over {13}}:2 = {{ - 4} \over {13}}.{1 \over 2} = {{ - 2} \over {13}}\)
\( \displaystyle 24:{{ - 6} \over {11}} = 24.{{11} \over { - 6}} = - 44\)
\( \displaystyle {9 \over {34}}:{3 \over {17}} = {9 \over {34}}.{{17} \over 3} = {3 \over 2}\)
