What is 5.1 as an improper fraction?

Well, let's turn 5.1 into an improper fraction, shall we? We know that 5.1 is the same as 5 and 1/10. To convert that to a fraction, we multiply the whole number by the denominator of the fraction and add the numerator, giving us 51/10. That's the beautiful improper fraction version of 5.1!