>>10850772Division is the inverse of multiplication.
The normal number system has two binary operators: addition and multiplication.
Subtraction and division are just names for the inverses (function which undo the effects of other functions) of these two operations.
So when multiplying by something between -1 and 1, it's superior to think of them in terms of fractions.
0.5 is five tenths. so it is the same as 5/10 (which simplifies to 1/2)
So multiplying by 0.5 is the same thing as multiplying by 5/10 aka 1/2
Multiplying by 0.75 is the same thing as multiplying by 75/100 (75 hundredths is what 0.75 actually means)
This simplifies to 3/4, so any number multiplied by 0.75 is three fourths of the original number (not half)
