Tolong di bantu !! Jadinya pecahan campuran

1. 3 3/4+ 1 3/5= 3 15/20 + 1 12/20= 4 27/20= 4+ 1 7/20 = 5 7/20                                  5 7/20+ 4 3/20= 9 10/20= 9 1/2

pertama, samakan penyebut

20/20-75/20+32/20-83/20
= -55/20-51/20
=-106/20
=-5 6/20
=-5 3/10

Semoga membantu^.^