Im being timed on edgenuity PLS HELP

Ankur estimated the quotient of 15 and one-third divided by (negative 4 and two-thirds) to be 3. Which best describes his error?

Ankur multiplied the compatible numbers 15 and –3.

Ankur found that the quotient of a positive number and a negative number is negative.

Ankur found that the quotient of a positive number and a negative number is positive.

Ankur added the compatible numbers 15 and –3.