1 2/3 × 1/2

To multiply these fractions, first convert the mixed number to an improper fraction.

1 2/3 = (3 * 1 + 2) / 3 = 5/3

Therefore, the multiplication is:

5/3 * 1/2

Now multiply the numerators and denominators:

5 * 1 = 5
3 * 2 = 6

So, 5/6 is the result of 1 2/3 x 1/2.