2/-7 x 7/5 ????
$${\frac{{\frac{{\mathtt{2}}}{\left(-{\mathtt{7}}\right)}}{\mathtt{\,\times\,}}{\mathtt{7}}}{{\mathtt{5}}}} = {\mathtt{\,-\,}}{\frac{{\mathtt{2}}}{{\mathtt{5}}}} = -{\mathtt{0.4}}$$