Here we will convert the number 72.21 to a fraction.
72.21 is the same as 72.21/1, because 72.21 divided by 1 is 72.21.
Therefore, we can multiply both the numerator and denominator in 72.21/1 by 100 to get rid of the decimal point and make it into a fraction as follows:
72.21/1 x 100/100 = 7221/100
Then, we simplify the fraction if necessary and we have our answer:
72.21 = 72 21/100
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