While there are two ways, only one has ever been used. All 27 Amendments have been ratified after two-thirds of the House and Senate approve of the proposal and send it to the states for a vote. Then, three-fourths of the states must affirm the proposed Amendment. (Give me heart for helping)
There are only two ways .Amendments to the Constitution can be proposed by the United States Congress or national convention of several states. The process by which the constitution can be amended is in article V.