Question 224001
8uz_ 5u__
3u . 6z 
Perhaps you mean:
{{{(8uz)/(3u)}}} * {{{(5u)/(6z)}}}
You can cancel u
{{{(8z)/(3)}}} * {{{(5u)/(6z)}}}
You can cancel z across the multiply sign, then just multiply, reduce fraction
{{{(8)/(3)}}} * {{{(5u)/(6)}}} = {{{(40u)/18}}} = {{{(20u)/9}}}