Multiply 4/5 times 13/8. Write the answer in simplest form and convert it to a mixed number.

1 3/10
1 6/20
1 12/40
13/10

To multiply fractions, you multiply the numerators and denominators:

(4/5) * (13/8) = (4 * 13) / (5 * 8) = 52/40

To simplify the fraction, you can divide the numerator and the denominator by their greatest common factor, which is 4:

52/40 = 13/10

To convert the improper fraction 13/10 to a mixed number, you can divide the numerator (13) by the denominator (10):

13 divided by 10 equals 1 remainder 3

So the mixed number is: 1 3/10