Jawabanmu

2014-02-16T15:17:28+07:00
45+3/4+1/3 = 180/4 + 3/4 + 1/3 = 183/4 + 1/3 = 549+4/12 = 553/12
2014-02-16T15:18:41+07:00
45/ 1  + 3/4 + 1/3 ---> disamain penyebutnya 12
= 553/12