Question 323687
Dividing by a fraction is the same as multiplying by its reciprocal,
{{{((m+2n)/6)/((m^2-4n^2)/10)=((m+2n)/6)*(10/(m^2-4n^2))}}}
{{{((m+2n)/6)/((m^2-4n^2)/10)=((m+2n)/6)*(10/((m+2n)*(m-2n)))}}}
{{{((m+2n)/6)/((m^2-4n^2)/10)=(cross((m+2n))/3)*(5/((m-2n)*cross((m+2n))))}}}
{{{((m+2n)/6)/((m^2-4n^2)/10)=5/(3(m-2n))}}}