It's already a decimal in its simplest form
It is already in its simplest form as a decimal but if you mean as an improper fraction then it is -77/20 in its simplest form
Without a decimal, that is the simplest form.
7/8 is in simplest form. As a decimal, 7/8 = 0.875
It is already a decimal as 0.12 which as a fraction in its simplest form is 3/25
121 is already in the simplest form. It can be written as 0.047619 in decimal form (rounded to 6 decimal places).
3.6 is the simplest form for the decimal.
175% = 1.75 as a decimal. And there is really no simplest form for decimals.
It is: 43% is 0.43 as a decimal and 43/100 as a fraction in its simplest form
23.75 is already a decimal.
15.45 is a decimal fraction and, being a decimal representation, it IS in its simplest form. The equivalent rational fraction is simplest form is 309/20.
0.76 is a decimal. As a fraction in simplest form, it would be 19/25