tolong ya kak.... besok d kumpul...

1 ) 1/3 + 3/4 = 4/12 + 12/12 = 16/12
maaf bila salah

1. 1/3 + 3/4 = 4/12 + 9/12 = 13/12
2. 4/5 + 3/4 = 12/20 + 15/20 = 27/20
3. 5/6 + 2/7 = 35/42 + 12/42 = 47/42
4. 3/5 + 4/6 = 18/30 + 20/30 = 38/30

Maaf kalau salah yaa:)