The document provides two examples of expressing decimal numbers as fractions. The first example expresses 0.75 as a fraction by multiplying the top and bottom by 100 to get 75/100, which simplifies to 3/4. The second example expresses 0.625 as a fraction by multiplying the top and bottom by 1000 to get 625/1000, which simplifies in two steps to 5/8. The document emphasizes that math is very fun and interesting and provides the steps for the two examples.