To convert the mixed number 1 5/6 into an improper fraction, we follow a simple process. First, we start with the whole number part, which is 1, and convert it into sixths. Since 1 can be expressed as 6/6, we next need to add the fractional part, which is 5/6.
Adding these two fractions gives:
6/6 + 5/6 = 11/6
Therefore, the improper fraction equivalent of the mixed number 1 5/6 is 11/6.