QuestionCalculate $-\frac{9}{10}+\frac{1}{10}$.

Studdy Solution
The fraction $\frac{-8}{10}$ can be simplified by dividing both the numerator and the denominator by their greatest common divisor, which is2.
$$Sum = \frac{-8/2}{10/2} = \frac{-4}{5}$$So, $-\frac{9}{10}+\frac{1}{10} = -\frac{4}{5}$.