To solve $1.5 + \frac{3}{2}$:

1. Convert $1.5$ to a fraction: $1.5 = \frac{3}{2}$

2. Add the fractions: $\frac{3}{2} + \frac{3}{2} = \frac{6}{2} = 3$

So, $1.5 + \frac{3}{2} = 3$.

Would you like any more details or explanations?

Related Questions:

1. How do you add fractions with different denominators?
2. What is the process to convert decimals into fractions?
3. How do you subtract fractions?
4. What is the importance of finding a common denominator in fraction addition?
5. Can decimals be converted to improper fractions?

Tip: When adding fractions, always make sure they have the same denominator before performing the operation!