- #1
Helios
- 269
- 63
Given positive integers a, b, c, d
and for fractions a/b and c/d,
it seems that ( a + c )/( b + d ) is between a/b and c/d.
There's likely an easy proof of this. I'd like to know if there's a formal name for ( a + c )/( b + d ) or the operation that brings it about.
and for fractions a/b and c/d,
it seems that ( a + c )/( b + d ) is between a/b and c/d.
There's likely an easy proof of this. I'd like to know if there's a formal name for ( a + c )/( b + d ) or the operation that brings it about.