How do you convert 1 1/2 into an improper fraction?

To convert the mixed number 1 1/2 into an improper fraction, you start by breaking down the components of the mixed number. The whole number part is 1, and the fractional part is 1/2.

First, you can express the whole number as a fraction that has the same denominator as the fractional part. Since the denominator of 1/2 is 2, you can rewrite the whole number 1 as 2/2. This gives you:

1 = 2/2

Next, you add this fraction to the fractional part:

2/2 + 1/2 = (2 + 1)/2 = 3/2.

Therefore, the improper fraction that corresponds to the mixed number 1 1/2 is 3/2. This matches the correct choice for the conversion, demonstrating the clear process of converting between mixed numbers and improper fractions. The correct answer to the conversion of 1 1/2 into an improper fraction is 3/2.