Ka tolong ya…12 1/2+5 3/4+8 5/6

12 1/2 + 5 3/4 + 8 5/6

= 12 6/12 + 5 9/12 + 8 10/12

= (12+5+8) 6+9+10/12

= 25 25/12

= 27 1/12

12 1/2 = 25/2

5 3/4 = 23/4

8 5/6 = 53/6

25/2+23/4+53/6 =

150/12+69/12+106/12 =

325/12 = 27 1/12

Jawaban = 27 1/12