The answer is 0.  Multiply them by a common multiple: 0, 2/15, 1/2, 1 Common multiple is 30 0 x 30, (2x2)/(15x2), (1x15)/(2x15), (1x30)/(1x30) = 0, 4/30, 15/30, 30/30 From this, we can see that that 2/15 is closer to 0 than 1/2 or 1