Introduction - If you have any usage issues, please Google them yourself
In ancient Egypt, the use of unit fractions, and (like the 1/a' s, a is a natural number) that every rational number. Such as: 2/3 = 1/2+1/6, but not 2/3 = 1/3+1/3, because the summand in the same. For a fraction a/b, that There are many ways, but what kind of best?