Answer:
In decimal = 0.45 and in fraction is,
or 
Step-by-step explanation:
Convert 45% to a decimal.
We can write this 45% as:

=0.45
Now, convert it in a fraction.
45% in fraction.

In fraction:
or 
Therefore,change 45% to a decimal, then a fraction are,
in decimal = 0.45 and in fraction is,
or