Here we will convert the number 42.78 to a fraction.
42.78 is the same as 42.78/1, because 42.78 divided by 1 is 42.78.
Therefore, we can multiply both the numerator and denominator in 42.78/1 by 100 to get rid of the decimal point and make it into a fraction as follows:
42.78/1 x 100/100 = 4278/100
Then, we simplify the fraction if necessary and we have our answer:
42.78 = 42 39/50
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