Math Problem Solver

Let $a,b,c,d,e,f,g,h,i$ be distinct integers from $1$ to $9.$ The minimum possible positive value of$$\dfrac{a \cdot b \cdot c - d \cdot e \cdot f}{g \cdot h \cdot i}$$can be written as $\frac{m}{n},$ where $m$ and $n$ are relatively prime positive integers. Find $m+n.$