Question

plz solve. Rational numbers​

Answer 1

(-1/7) - (-2/3) solve this subtraction you will get answer

Answer 2

Let the no. to be added be X

According to the question,

-2/3+X=-1/7

=>X=-1/7+2/3

=>X=-3+14/21

=>X=11/21

So, the no. 11/21 should be added to get -1/7