Here we will convert the number 12.78 to a fraction.
12.78 is the same as 12.78/1, because 12.78 divided by 1 is 12.78.
Therefore, we can multiply both the numerator and denominator in 12.78/1 by 100 to get rid of the decimal point and make it into a fraction as follows:
12.78/1 x 100/100 = 1278/100
Then, we simplify the fraction if necessary and we have our answer:
12.78 = 12 39/50
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