11 1/12-x=9 8/9 х=11 1/12 - 9 8/9 = 11 3/36 - 9 32/36 = 1 7/36
77 4/15-x=59 8/9 х= 77 4/15 - 59 8/9 = 77 24/90 - 59 80/90 = 17 34/90 = 17 17/45
X+29 7/8= 51 5/12 х=51 5/12 - 29 7/8 = 51 10/24 - 29 21/24 = 21 13/24
60 3/14-x=41 4/21 х=60 3/14 - 41 4/21 = 60 9/42 -41 8/42= 19 1/42
