Respuesta :

The answer is 3 21/100.

Hopes it Helps :]

Answer:

[tex]\frac{321}{100}[/tex].

Step-by-step explanation:

Given  : 3.21

To find : Explain how to write the rational number.

Solution : We have given  3.21

We can remove the decimal.

We can see there are two numbers after decimal so, we write the 100 in denominator.

[tex]\frac{321}{100}[/tex].

So, this is the [tex]\frac{a}{b}[/tex].

a = 321 , b =100

Therefore, [tex]\frac{321}{100}[/tex].