January twenty one.
Twenty-one hundredths.
21 = twenty-one
You would write it like this 21 or 2.1*10^1.
21/36 in simplest form is 7/12
Twenty-one million, two-thousand nine-hundred fourty-three.
21% = 21/100 in fraction form.
21/125
0.00321 in words is: three hundred twenty-one hundred-thousandths.
0.021
0.00021
21.012
It is already in its simplest form as a fraction.