Jawabanmu

2014-02-05T22:33:48+07:00
3/4+2/5 = 15/20 + 8/20 = 23/20 = 1 3/20
2014-02-05T22:35:26+07:00
3/4 + 2/5 = 15/20 + 8/20 = 23/20 atau disederhanakan menjadi 1 3/20