What two numbers add up to 2207?

There are infinite combinations of two numbers that add up to 2207. Here are some examples using negative numbers:

-1 + 2208 = 2207
-2 + 2209 = 2207
-3 + 2210 = 2207
...

Here are some examples using two fractions that will add up to 2207:

2207/2 + 2207/2 = 2207
4414/3 + 2207/3 = 2207
6621/4 + 2207/4 = 2207
...

And here are some examples using two decimal numbers that will add up to 2207:

1.25 + 2205.75 = 2207
2.50 + 2204.5 = 2207
3.75 + 2203.25 = 2207
...

As you can see from the lists above, it can go on forever. However, when answering "What two numbers add up to 2207?", it may be more interesting to set some criteria to limit the result. We will set the follow criteria:

1) Only positive whole numbers can add up to 2207. (0 is not a positive or negative number and should not be included.)

2) Since a+b=29 is the same as b+a=29, we should only list it once.

Now, the answer to "What two numbers add up to 2207?" has 1103 answers:

1 + 2206 = 2207
2 + 2205 = 2207
3 + 2204 = 2207
.
.
1101 + 1106 = 2207
1102 + 1105 = 2207
1103 + 1104 = 2207

We have truncated the list above due to space, but you may be interested to know that we calculated the number of answers by dividing 2207 by 2 and then rounded down to the nearest whole number if necessary.

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What two numbers add up to 2208?
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