3 3/12+4 5/8=sekalian pakai jalannya

= 3 3/12 + 4 5/8
= (3*12+3)/12 + (4*8+5)/8
= 39/12 + 37/8 (samakan penyebutnya
= (39*2)/(12*2) +(37*3/8*3)
= 78/24 + 111/24
= 189/24
= 63/8
= 7 7/8

39/12 +37/8= 78+111/24
=189/24=7 21/24
=7 7/8