Question 416481
<pre><font face = "consolas" color = "indigo" size = 4><b>
{{{40minutes/(5hours)}}}

Multiply by the unit fraction: {{{1hour/(60minutes)}}}

{{{40minutes/(5hours)}}}{{{""*""}}}{{{1hours/(60minutes)}}}

Cancel the hours:

{{{40minutes/(5cross(hours))}}}{{{""*""}}}{{{1cross(hours)/(60minutes)}}}

Cancel the minutes:

{{{40cross(minutes)/(5cross(hours))}}}{{{""*""}}}{{{1cross(hours)/(60cross(minutes))}}}

{{{(40*1)/(5*60)}}}

{{{40/300}}}

{{{4/30}}}

{{{2/15}}}

Edwin</pre>