21.1 is a fraction. It is a fraction in decimal form rather than in the form of a ratio. However, that does not stop it being a fraction. Its equivalent, in rational form, is 211/10.
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21.1 as a fraction is 211/10. This can be simplified to 21 1/10 or 21 1/10. To convert a decimal to a fraction, you place the decimal value over the place value of the last digit.
It is: 4.22 = 211/50 in its simplest form
20% of 211= 20% * 211= 0.2 * 211= 42.2
It is 211/79.
The number 211 is a prime number.
20 of 211=20 211=0.2 211=42.2