Question

The sum of three rational numbers is -1/5. If two of the numbers are 3/10 and -2/5, find the third number.

Answer 1

Answer:

3/10+(-2)/5

-1/10

-1/5 - (-1/10)

-1/5 + 1/10

3/10...

Hence, the required number is 3/10

Answer 2

Answer:

1 answer hence the third number is 1