2/3+21/2+31/4 (2 gak disatuin sama 1 & 3 gak disatuin sama 1) bantu jawab ding please

Jawab
2/3 + 2 1/2 + 3 1/4
= 2/3 + 5/2 + 13/4
= semua dijadikan per 12
= 8+30+39/12
= 77/12
= 6 5/12