What two numbers add to 1 and subtract to 90?

Here we will tell you what two numbers add to 1 and subtract to 90 and prove that our answer is correct.

The two numbers that add to 1 and subtract to 90 are:

45.5 and -44.5

And here is the math to prove that our answer to "What two numbers add to 1 and subtract to 90?" is correct:

Add:
45.5 + (-44.5) = 1

Subtract:
45.5 - (-44.5) = 90

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