Question 893180

Hello, 

How do I solve this fraction problem with a mixed number?   

5/8 + 1  7/9 + 3      


I'm think the LCD is 72, but I don't know where to go from there.   Thanks:)
<pre>
{{{5/8 + 1&7/9 + 3}}}
{{{5/8 + 16/9 + 3/1}}}
{{{(45 + 128 + 216)/72}}}_____{{{389/72}}}______{{{highlight_green(highlight_green(5&29/72))}}}