Here we will convert the number 4.21 to a fraction.
4.21 is the same as 4.21/1, because 4.21 divided by 1 is 4.21.
Therefore, we can multiply both the numerator and denominator in 4.21/1 by 100 to get rid of the decimal point and make it into a fraction as follows:
4.21/1 x 100/100 = 421/100
Then, we simplify the fraction if necessary and we have our answer:
4.21 = 4 21/100
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