Addition of Signed Numbers with Different Signs 5

Here's another one:

42 + -75 =

Who wins the sign smack down? 75

So, the answer's going to be negative.

1	Ignore the signs
2	Take the biggest number and subtract off the smaller one

75 - 42 = 33

And it needs to be negative.

42 + -75 = -33

Your Turn:

-95 + 21 =

40 + -87 =

-15 + 101 =

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Addition of Signed Numbers with Different Signs