6 2/3 - ( x + 1/4) = 2 1/6
1/4=0.25 62/3 - x - 0,25 = 21/6 62/3 - 0,25 - 21/6= x 62/3 - 1/4 - 21/6 = x 248-3-42/12= x 203/12=x
6 2/3 - ( х + 1/4 ) = 2 1/6 6 8/24 - ( х + 6/24) = 2 4/24 х + 6/24 = 6 8/24 - 2 4/24 х + 6/24 = 4 4/24 х = 4 4/24 - 6/24 х = 3 28/24 - 6/24 х = 3 22/24