1 2/6 × 3/4

To multiply 1 2/6 by 3/4, first convert the mixed number 1 2/6 to an improper fraction.

1 2/6 = (6 * 1 + 2)/6 = 8/6 = 4/3

So the calculation becomes:

4/3 * 3/4

Multiply the numerators: (4 * 3) = 12
Multiply the denominators: (3 * 4) = 12

Therefore, 4/3 * 3/4 = 12/12

Simplify the fraction:

12/12 = 1

Therefore, 1 2/6 * 3/4 = 1.