# What is the common denominator for 16 and 20?

##### 1 Answer

May 3, 2018

The common denominator of 16 and 20 is 4. When simplified, the fraction becomes

#### Explanation:

Factor tree of 16:

1 - 16

2 - 8

**4** - **4**

8 - 2

16 - 1

Factor tree of 20:

1 -20

2 - 10

**4** - 5

5 - **4**

10 - 2

20 - 1

When simplified: