(1.) 5 4/5 × 2 3/7 (2.) 2 8/10 ÷1/2 (3.) 2 3/7 ×5/6 tolong pakai cara

(1.) 5 4/5×2 3/7=29/5×17/7=495/35=14 5/35=14 1/7
(2.) 2 8/1÷1/2=28/10×2/1=28
(3.) 2 3/7×5/6=17/7×5/6=85/42=2 1/42
maaf klau salah:)