How do you write 45 hundredths as a fraction and decimal

The hundredths place is the the second number to the right of the decimal so as a decimal you would write it like this:

To write it simply as a fraction, it looks like this:

But if you want to simplify it you need to find a least common multiple of both the denominator and numerator. In this case I would choose 5. Divide both the numerator and the denominator by that number.