Rules

Positive x Negative

(4)(3)

Negative

12

Negative x Negative

(-5)(2)

Negative

-10

Positive / Negative

25/(-5)

Negative

-5

Negative / Negative

(-30)/(-10)

Positive

3

Negative + Negative

(-11) + (-4)

a larger negative

-15

Negative + Positive

(-3) + 8

(-7) + 4

Depends. Subtract larger absolute value and subtract smaller absolute value. Keep sign of the larger.

(-3) + 8 = 5
(-7) + 4 = -3