Multiply 1/9 by 4 1/5 . Write the answer in simplest form.
To multiply 1/9 by 4 1/5, we first convert the mixed number to an improper fraction.
4 1/5 = (4*5 + 1)/5 = 21/5
Now, we multiply the fractions:
1/9 * 21/5 = (1*21)/(9*5) = 21/45
To simplify the 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 in simplest form is 7/15.