Answer: -0.625
Explanation:
With a calculator, you can divide -5 by 8, which gives you -0.625.
Without one, we can split the fraction into two parts for our answer. We know that
is -0.500, because 4 is half of 8. The remaining part of the fraction,
, would be -0.125; to get this, we can multiply the fraction by 2, giving us
, or
, which we know is -0.250, and then divide that decimal by 2, giving us -0.125.
With our decimals -0.500 and -0.125, we can add them together to get -0.625.