What two numbers add up to 438?

There are infinite combinations of two numbers that add up to 438. Here are some examples using negative numbers:

-1 + 439 = 438
-2 + 440 = 438
-3 + 441 = 438
...

Here are some examples using two fractions that will add up to 438:

438/2 + 438/2 = 438
876/3 + 438/3 = 438
1314/4 + 438/4 = 438
...

And here are some examples using two decimal numbers that will add up to 438:

1.25 + 436.75 = 438
2.50 + 435.5 = 438
3.75 + 434.25 = 438
...

As you can see from the lists above, it can go on forever. However, when answering "What two numbers add up to 438?", 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 438. (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 438?" has 219 answers:

1 + 437 = 438
2 + 436 = 438
3 + 435 = 438
.
.
217 + 221 = 438
218 + 220 = 438
219 + 219 = 438

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 438 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 439?
Here is the next problem on our list that we answered and explained in a similar fashion.