1 3/8 - 1/4
$$\left({\frac{{\mathtt{11}}}{{\mathtt{8}}}}\right){\mathtt{\,-\,}}\left({\frac{{\mathtt{2}}}{{\mathtt{8}}}}\right) = {\frac{{\mathtt{9}}}{{\mathtt{8}}}}$$
$$\left({\frac{{\mathtt{9}}}{{\mathtt{8}}}}\right)$$
equals $$1\frac {1}{8}$$