What minus what equals 644?

There is an infinite number of ways to answer "What minus what equals 644?"
This page will show you how different integers, decimals, and fractions subtracted from each other will equal 644.
Here are some examples of integers that when subtracted from each other will equal 644:
644 - 0 = 644
645 - 1 = 644
646 - 2 = 644
647 - 3 = 644
648 - 4 = 644
As you can imagine, the list above can go on forever. Here are decimal numbers that subtract from each other to equal 644:
645.50 - 1.50 = 644
646.75 - 2.75 = 644
647.90 - 3.90 = 644
Again, the combinations are endless. We can also make fractions that when subtracted from each other equal 644. Here are some examples:
1288/1 - 644/1 = 644
2576/2 - 1288/2 = 644
3864/3 - 1932/3 = 644
The "bottom line" as stated and illustrated above: there is an infinite number of answers to "What minus what equals 644?"
What minus what equals 645?
Try to make a list of values that subtracts to the next number on our list. Then go here to check what we came up with.