(10 3/4-12:1 1/5)*4/9+2 1/6+3 1/4:5 1/5

(10 3/4 - 12 : 1 1/5) * 4/9 + 2 1/6 + 3 1/4 : 5 1/5 = 3,125 1) 12 : 1 1/5 = 12 : 6/5 = 12 * 5/6 = 10 2) 10 3/4 - 10 = 3/4 3) 3/4 * 4/9 = 1/3 4) 3 1/4 : 5 1/5 = 13/4 : 26/5 = 13/4 * 5/26 = 5/8 5) 1/3 + 2 1/6= 1/3+ 13/6 = 15/6 6) 15/6 + 5/8= 3 3/24 = 3,125