# Homework and practice 7-2 find common denominators

### Question:

What is the denominator of 3?

### Answer:

1/2 and 1/4 have a common denominator of 4. In a fraction, the number below the line is called the denominator. The number at the bottom of a fraction shows how many equal parts there are in total. The denominator is the part of a fraction that is below the fraction bar. The denominator tells how many parts there are in total.