9×1 1/18

To calculate 9×1 1/18, we need to convert the mixed number 1 1/18 to an improper fraction.

To do that, we multiply the whole number (1) by the denominator of the fraction (18) and add the numerator (1):

1 × 18 = 18 18 + 1 = 19

So, 1 1/18 is equal to 19/18.

Now we can multiply 9 by 19/18:

9 × 19/18 = (9 × 19) / (1 × 18) = 171/18.

To simplify this fraction, we can divide both the numerator and denominator by their greatest common divisor, which is 9:

171/18 = (171 ÷ 9) / (18 ÷ 9) = 19/2.

Therefore, 9×1 1/18 is equal to 19/2 or 9.5.