Question

Add without using a number line :- $\left(-139\right)+\left(-456\right)$

Answer 1

The solution for the above expression $\left(-139\right)+\left(-456\right)$ is as follows :-

Taking the negative sign common, we get $\left(-139\right)+\left(-456\right)=-\left(139+456\right)$

$=-595$

Hence, the solution is $-595$.