Question

how do u find answers for question like: -1 -1, -115 -110, 1/4-1/2
please answer with steps if u know​

Answer 1

-1-1

(- and - = +)

so, ans = -2

-115-110

(- and - is +)

ans = -225

1/4-1/2

(1×1) - (1×2) / 4

1-2/4

-1/4