5 3/4 - 2 1/8 - 1 1/2=... (Kak Tolong Pakai Caranya Ya...)

5 ¾ - 2 ⅛ - 1 ½

= 23/4 - 17/8 - 3/2

= ( 46 - 17 - 12 ) / 8

= 17/8

= 2 ⅛

Semoga Membantu

23/4 - 17/8 - 3/2
46/8 - 17/8 - 12/8
17/8
= 2 1/8

Maaf yah kalo salah:)