Answer:
[tex]\dfrac{9}{20}[/tex]
Step-by-step explanation:
To convert the given decimal into a fraction, we will do the following. This number is "0.45", or forty-five hundredths. With this in mind, we will rewrite this as a fraction over 100.
[tex]\dfrac{45}{100}[/tex]
Next, we will simplify. We can divide both the numerator and denominator by a common factor of 5.
[tex]\dfrac{9}{20}[/tex]