Final answer:
The best estimate of -15 16 + (-1 2) is -31/32.
Step-by-step explanation:
To find the best estimate of -15 16 + (-1 2), we can simplify the expression by finding the sum of the fractions. To do this, we need to have a common denominator for the fractions. The common denominator for 16 and 2 is 32, so we can rewrite the expression as -15/32 + (-1/2). Now we can add the fractions: -15/32 + (-1/2) = (-15/32) + (-16/32) = -31/32.Therefore, the best estimate of -15 16 + (-1 2) is -31/32.