Question 1091993
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{{{1/2 - 5/4}}} = {{{2/4 - 5/4}}} = {{{-3/4}}};


{{{-1/4 - 1/2}}} = {{{-1/4 - 2/4}}} = {{{-3/4}}};


{{{-1/4 - (-1)}}} = {{{-1/4 + 4/4}}} = {{{-3/4}}}.


The pattern is just clearly seen: d = {{{-3/4}}}.
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