4/9(1 1/2m-3/8)=1 5/6-1 1/3m

4/9( 1 1/2m - 3/8 ) = 1 5/6 - 1 1/3m
4/9( 3/2m - 3/8 ) = 1 5/6 - 4/3m
2/3m - 1/6 = 1 5/6 - 4/3m
6/3m = 1/6 + 1 5/6
2m = 2
m = 1