涛涛数学题，请大牛帮忙看看

lijia1301981

If k, m, and t are positive integers and K/6 + M/4 = T/12, do t and 12 have a common factor greater than 1 ?

(1)    k is a multiple of 3.

(2)    m is a multiple of 3.

答案是A，请大侠们指导一下，谢谢！

naonao7949

K/6+M/4=T/12  ==> 2K+3M=T

A. k is a multiple of 3, therefore, T and 12 HAS a common factor 3 which is greater than 1