27/34 * (5-2 4/5 * 1 1/9=1 1/2 1) 2 4/5 * 1 1/9 = 14/5 * 10/9 = 14/1*2/9 = 28/9 = 3 1/9 2) 5-3 1/9 = 5/1 - 28/9 = 17/9 = 1 8/9 3) 27/34 * 1 8/9 = 27/34 * 17/9 = 3/2 * 1/1 = 3/2 = 1 1/2