What is 1 and 1 over 2 as a improper fraction?

To convert the mixed number 1 and 1/2 to an improper fraction, you first multiply the whole number (1) by the denominator of the fraction (2), which gives you 2. Then you add the numerator of the fraction (1) to the result, giving you 3. So, 1 and 1/2 as an improper fraction is 3/2.