An apparatus includes a first device to perform a first laundry treating operation and a second device to perform a second laundry treating operation. The first device has a first space to receive laundry through a first opening and the second device has a second space to receive laundry through a second opening. A controller controls the first and second devices to perform the first and second laundry treating operations respectively. The first device is coupled over the first device, and the first and second laundry treating operations are both washing operations or the first and second laundry treating operations are both drying operations.