Here we will convert the number 91.78 to a fraction.
91.78 is the same as 91.78/1, because 91.78 divided by 1 is 91.78.
Therefore, we can multiply both the numerator and denominator in 91.78/1 by 100 to get rid of the decimal point and make it into a fraction as follows:
91.78/1 x 100/100 = 9178/100
Then, we simplify the fraction if necessary and we have our answer:
91.78 = 91 39/50
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