A fraction is in its simplest form when the numerator (number above the line) and denominator (number below the line) have no factor in common - other than 1.
Sure.0.625 = 5/8
0.05 as a fraction simplified is 1/20
6.6 as a simplified fraction is 33/5
0.76 = 19/25 as a fraction simplified
3.23 as a simplified fraction = 323/100
6.15 is a fraction. It is a fraction in decimal form but that does not stop it being a fraction. And, as a decimal fraction, it cannot be simplified. Its rational equivalent is 615/100 which can be simplified to 123/20.
11/26 is the simplified fraction
0.125 as fraction simplified is 1/8.
0.875 as a simplified fraction is 7/8
0.644 as a simplified fraction = 644/1000 = 161/250
2.75 as a simplified fraction is 11/4
0.7 as a non-simplified fraction = 7/10