Question 330366
{{{(5u/12uw)(4w/7u)=(20/84)u^(1-1-1)w^(-1+1)}}}
{{{(5u/12uw)(4w/7u)=(5/21)u^(-1)w^(0)}}}
{{{(5u/12uw)(4w/7u)=5/(21u)}}}