What two numbers add up to 9977?

There are infinite combinations of two numbers that add up to 9977. Here are some examples using negative numbers:

-1 + 9978 = 9977
-2 + 9979 = 9977
-3 + 9980 = 9977
...

Here are some examples using two fractions that will add up to 9977:

9977/2 + 9977/2 = 9977
19954/3 + 9977/3 = 9977
29931/4 + 9977/4 = 9977
...

And here are some examples using two decimal numbers that will add up to 9977:

1.25 + 9975.75 = 9977
2.50 + 9974.5 = 9977
3.75 + 9973.25 = 9977
...

As you can see from the lists above, it can go on forever. However, when answering "What two numbers add up to 9977?", 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 9977. (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 9977?" has 4988 answers:

1 + 9976 = 9977
2 + 9975 = 9977
3 + 9974 = 9977
.
.
4986 + 4991 = 9977
4987 + 4990 = 9977
4988 + 4989 = 9977

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 9977 by 2 and then rounded down to the nearest whole number if necessary.

Numbers That Add Up To Calculator
Submit another "What two numbers add up to x?" problem here.

What two numbers add up to 9978?
Here is the next problem on our list that we answered and explained in a similar fashion.