You can
put this solution on YOUR website!
1/23 + 1/43 + 1/45 + 1/76
The only short method is with a calculator. The LCD is the
product of all those denominators, 3382380.
Doing it the long way with that LCD it comes out as the nonreducible
fraction 345389/3382380
But with a calculator you get .1021141918
Edwin