As a quick use of a calculator would tell you:
1/8 = 0,125
0.125
6.125
1/64
2/8
Expressed as a decimal, this is equal to 1.125.
Expressed as a decimal fraction, 1 2/10 is equal to 1.2.
One and one hundredth can be written as 1.01 when expressed as a decimal.
0.125
Expressed as a decimal, 1/16 is equal to .0625.
It is a ratio of two or more numbers, at least one of which is expressed in decimal form and none is expressed as a rational fraction.
You have already expressed it as a decimal.
No