2 per 3 + 1 per 8 + 7 per 12

2/3 +1/8 +7/12
= (2.8) + (1.3)+ (7.2)/24
= 16+3+14/ 24
= 33/ 24
= 11/ 8

2/3 + 1/8 + 7/12
= 16/24 + 3/24 + 14/24
= 33/24 = 1 9/24 = 1 3/8

Jadikan jawaban tercerdas ya.