multiply 1/9 by 4 1/5 . write the answer in simplest form
To multiply 1/9 by 4 1/5, we first need to convert the mixed number 4 1/5 into an improper fraction.
4 1/5 = 4 + 1/5 = (4 * 5 + 1) / 5 = 21/5.
Now, we can multiply 1/9 by 21/5.
(1/9) * (21/5) = (1 * 21) / (9 * 5) = 21/45.
To simplify this fraction, we can divide both the numerator and denominator by their greatest common divisor, which is 3.
21/45 = (21 ÷ 3) / (45 ÷ 3) = 7/15.
Therefore, the answer is 7/15.