You can put this solution on YOUR website! RECIPROCAL IS ANOTHER NAME FOR A REVERSE OR A MULTIPLIATIVE INVERSE THAT WHEN MULTIPLIED TO IT'S RECIPRICAL=1.
EXAMPLE:1/3*3/1=3/3=1 3/1 IS THE RECIPRICAL OF 1/3
3/7 IS THE RECIPRICAL OF 7/3 THUS 3/7*7/3=21/21=1