Solve Mixed Number Equation: 2⅕ + (-30/50) with Negative Fractions

Let's remember the rule:

$-(-x)=+x$

Now let's write the exercise in the following way:

$2\frac{1}{5}+\frac{30}{50}=$

We'll reduce the fraction $\frac{30}{50}$ by 10$$

$2\frac{1}{5}+\frac{3}{5}=2\frac{4}{5}$