2: 2 2/3+1 4/5 *3 1/3 -2 5/6 решите пожалуйста!

2 : 2 2/3 + 1 4/5 * 3 1/3 - 2 5/6 = 3  11/12 1) 2 : 2 2/3 = 2 : 8/3 = 2 * 3/8 = 6/8 = 3/4 2) 1 4/5 * 3 1/3 = 9/5 * 10/3 = 3/1 * 2/1 = 6 3) 3/4 + 6 = 3/4 + 24/4 = 27/4 4) 27/4 - 2 5/6 = 27/4 - 17/6 = 81/12 - 34/12 =  47/12 = 3 11/12