To divide -2 3/5 by 4/5, follow these steps:
1. First, convert the mixed number -2 3/5 into an improper fraction. Multiply the whole number (-2) by the denominator (5) and add the numerator (3). The result is -13/5.
2. Now, we can rewrite the division as multiplication by the reciprocal. The reciprocal of 4/5 is 5/4.
3. Multiply -13/5 by 5/4. To multiply fractions, multiply the numerators (-13 * 5) to get -65 and multiply the denominators (5 * 4) to get 20. The result is -65/20.
4. Simplify the fraction if possible. The greatest common divisor (GCD) of 65 and 20 is 5. Divide both the numerator and denominator by 5 to get -13/4.
Therefore, the quotient of -2 3/5 divided by 4/5 is -13/4.