Question 828333
<pre>
{{{11&1/2}}}{{{"÷"}}}{{{15}}}

Change {{{11&1/2}}} to the improper fraction {{{23/2}}}
Write {{{15}}} as the improper fraction {{{15/1}}}

{{{23/2}}}{{{"÷"}}}{{{15/1}}}

Invert the second fraction and change the division to 
multiplication:

{{{23/2}}}{{{"×"}}}{{{1/15}}}

Multiply the numerators and multiply the denominators:

{{{23/30}}}

Edwin</pre>