7/1000 is in its simplest form.
9 and 250 thousandths as a mixed number in simplest form = 91/4
.536
4/125
2.045
125.001
1/18 is in its simplest form.
5/18 is in its simplest form.
1/8
157/200
18 is already in simplest form.
18/29 is in its simplest form.