Question 155151
<font size = 6 color = "red"><b>Edwin's solution:</font>

<pre><font size = 4 color = "indigo"><b>
{{{4}}}{{{1/2}}}÷{{{1}}}{{{1/2}}}

Change the mixed fractions to improper fractions:

{{{9/2}}}÷{{{3/2}}}

Invert the second fraction and change division to multiplication:

{{{9/2}}}×{{{2/3}}}

Cancel the {{{2}}}'s

{{{9/cross(2)}}}×{{{cross(2)/3}}}

{{{9/3}}}

{{{3}}}

Edwin</pre>