The fraction $\frac{31}{20}$ can be simplified or represented in different ways:

1. As a mixed number:
   Divide 31 by 20:
   $31 \div 20 = 1$ remainder $11$.
   So, $\frac{31}{20} = 1 \frac{11}{20}$.

2. As a decimal:
   $\frac{31}{20} = 1.55$.

Would you like a deeper explanation on any of these representations or further questions?

Here are some related questions:

1. What is the process to convert an improper fraction to a mixed number?
2. How do you convert a fraction to a decimal?
3. What are some ways to simplify a fraction?
4. How can you find equivalent fractions for $\frac{31}{20}$?
5. How do you compare fractions like $\frac{31}{20}$ with others?

Tip: When converting improper fractions to mixed numbers, always remember that the remainder becomes the new numerator.