Question

The level of a city's water reservoir was −12 3/4 inches relative to its normal level. After a rainfall, the level increased 3 1/4 inches. What was the level of the reservoir after the rainfall? Enter your answer as a mixed number, in simplified form, in the box.

Answer 1

the anwser is -9 1/2

Answer 2

add your two fractions to get -9 1/2