Question 326370
the two points are (x1,y1) (1/2 ,3/5)
(x2,y2) ( 1/4,1/3)
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slope formula
{{{m= (y2-y1)/(x2-x1)}}} 
{{{m=(1/3-3/5)/(1/4-1/2)}}}
{{{m=((5-9)/(15))/((1-2)/(4))}}}
{{{m=((-4)/(15)) /((-1)/(4))}}}
{{{m=-4/15 * 4/-1}}}
m=16/15