18 1/4×1/9

To multiply fractions, you simply multiply the numerators together and multiply the denominators together. In this case, we have:

18 1/4 × 1/9

First, we need to convert the mixed number 18 1/4 into an improper fraction. We do this by multiplying the whole number (18) by the denominator of the fraction (4), and then adding the numerator (1). The result becomes the new numerator, and the denominator remains the same.

18 1/4 = (18 × 4 + 1) / 4 = 73/4

Now we can perform the multiplication:

(73/4) × (1/9)

Multiplying the numerators (73 × 1) gives us a new numerator of 73, and multiplying the denominators (4 × 9) gives us a new denominator of 36.

So, the result is:

(73/4) × (1/9) = 73/36