9×1 1/18

To solve this multiplication, we need to convert the mixed number 1 1/18 into an improper fraction.

The fraction part can be written as 1/18. To convert the whole number part, we can multiply it by the denominator of the fraction and add the numerator, which gives us: 1 × 18 + 1 = 18 + 1 = 19.

Therefore, 1 1/18 can be written as the improper fraction 19/18.

Now, we can multiply 9 by 19/18: 9 × 19/18 = (9 × 19)/(1 × 18) = 171/18.

The multiplication of 9×1 1/18 is equal to 171/18.