A laundry machine includes a first laundry treating device, and a second laundry treating device arranged adjacent to the first laundry treating device. The second laundry treating device is operable independently of the first laundry treating device. A first draining pipe guides water discharged from the first laundry treating device, and a second draining pipe guides water discharged from the second laundry treating device. A joining pipe is connected to the first and second draining pipes at a joining point.