What minus what equals 639?

There is an infinite number of ways to answer "What minus what equals 639?"
This page will show you how different integers, decimals, and fractions subtracted from each other will equal 639.
Here are some examples of integers that when subtracted from each other will equal 639:
639 - 0 = 639
640 - 1 = 639
641 - 2 = 639
642 - 3 = 639
643 - 4 = 639
As you can imagine, the list above can go on forever. Here are decimal numbers that subtract from each other to equal 639:
640.50 - 1.50 = 639
641.75 - 2.75 = 639
642.90 - 3.90 = 639
Again, the combinations are endless. We can also make fractions that when subtracted from each other equal 639. Here are some examples:
1278/1 - 639/1 = 639
2556/2 - 1278/2 = 639
3834/3 - 1917/3 = 639
The "bottom line" as stated and illustrated above: there is an infinite number of answers to "What minus what equals 639?"
What minus what equals 640?
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.