To convert the fraction 13/50 to decimal, we have to divide 13 by 50.
We can also calculate it as:

In this case, we multiply both the numerator and the denominator by 2. Then, we obtain a denominator of 100, which means that the numerator is in hundredths. Then, we can write is as 0.26.
Answer: the decimal expression of 13/50 is 0.26.