Express the following rational numbers as decimals:
$ \frac{42}{100} $

Given :

The given rational number is $\frac{42}{100}$.

To do :

We have to express the given rational number as a decimal.

Solution:

By using long division method, we get,

100)42.00(0.4

        400

------------

          200

          200

------------

           0

------------

$\frac{42}{100}=0.42$ 

Therefore, $\frac{42}{100}$ can be expressed as 0.42.