Explain the steps needed to determine the value of the ex below. Be sure to provide the correct value of the expression in your explanation.

1/2

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-2/5. + (-1/4)

The correct answer is - 1 and 1/2.

First, you need to divide 1/2 by - 4/5. To do this, you multiply 1/2 by - 5/4. You will get - 10/8.

Then, you add - 10/8 with - 2/8 to get - 12/8, or - 1 and 1/2.