What two numbers add up to 3898?

There are infinite combinations of two numbers that add up to 3898. Here are some examples using negative numbers:

-1 + 3899 = 3898
-2 + 3900 = 3898
-3 + 3901 = 3898
...

Here are some examples using two fractions that will add up to 3898:

3898/2 + 3898/2 = 3898
7796/3 + 3898/3 = 3898
11694/4 + 3898/4 = 3898
...

And here are some examples using two decimal numbers that will add up to 3898:

1.25 + 3896.75 = 3898
2.50 + 3895.5 = 3898
3.75 + 3894.25 = 3898
...

As you can see from the lists above, it can go on forever. However, when answering "What two numbers add up to 3898?", 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 3898. (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 3898?" has 1949 answers:

1 + 3897 = 3898
2 + 3896 = 3898
3 + 3895 = 3898
.
.
1947 + 1951 = 3898
1948 + 1950 = 3898
1949 + 1949 = 3898

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 3898 by 2 and then rounded down to the nearest whole number if necessary.

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