Question 237893
First, get each term as a single fraction
{{{(7+(1/4)) - (2 + (3/4))}}}
{{{(28/4 + 1/4) - (8/4 + 3/4) }}}
{{{29/4 - 11/4}}}
Since the two terms are both over the same denominator (4), you can combine them
{{{(29-11)/4}}}
{{{18/4}}}
Now simplify
{{{9/2}}}