Question

what should be added to 2/5 to get -1​

Answer 1

Answer:

-7/5

Step-by-step explanation:

Let the number be x then

$\frac{2}{5} + x = - 1 \\ x = - 1 - \frac{2}{5} = \frac{ - 5 - 2}{5} = \frac{ - 7}{5}$

Answer 2

Answer:

- 1 $\frac{2}{5}$

Step-by-step explanation:

2/5 1 2/5 = 2/5 - 7/5 = -1