Question 106418
{{{(3a+2b)/(3a-2b)=((1/b)*(3a+2b))/((1/b)*(3a-2b))}}} Multiply num. and denom. by (1/b).
{{{(3a+2b)/(3a-2b)=(3(a/b)+2)/(3(a/b)-2)}}}Distributive property. 
{{{(3a+2b)/(3a-2b)=(3(4/3)+2)/(3(4/3)-2)}}}Substitute (a/b)=(4/3). 
{{{(3a+2b)/(3a-2b)=(4+2)/(4-2))}}}
{{{(3a+2b)/(3a-2b)=(6)/(2))}}}
{{{(3a+2b)/(3a-2b)=3}}}