4 3/4 : 2 1/3 :1 1/3=

4 3/4 ÷ 2 1/3 ÷ 1 1/3
= 19/4 ÷ 7/3 ÷ 4/3
=19/4 × 3/7 × 3/4
= 171/112
=1 59/112

maaf kalau ada Kesalahan dan jangan lupa di follow yah