berat badan Rina 34 1/2 kg sedangkan berat badan Retro Retno 41 per 3 kg Berapa kg berat badan 2 anak tersebut

34 ½ + 41/3 = 69/2 + 41/3 = 207/6 + 82/6 = 289/6 = 48 1/6

[tex]34 \frac{1}{2} = 34.5 kg \\ \frac{41}{3} = 39 \frac{2}{3} = 39.6 \: kg \: \\ jumlah \: = 34.5 + 39.6 = 74.1 \: kg[/tex]