Washing machine and method for washing

PURPOSE: Washing machine and method are provided to be able to detach a detergent bin from a main body by forming a detergent placing module separately from the main body of a washing machine. CONSTITUTION: A washing machine(100) is composed of a main body(111), a detergent supplying module(184), a detergent path(164), and a detergent control unit(168). The detergent supplying module is installed outside the main body. A detergent bin(200) is installed at the detergent supplying module. The detergent supplying module is hinge-coupled with the top of the main body to be able to control the slope. The detergent supplying module is detachable from the main body. The detergent path guides the detergent flowing out from the detergent bin to be put into the washing tub. The detergent control unit controls the detergent flow passing through the detergent path.