There are two ways to amend the U.S. Constitution. The first begins in Congress and requires?

The first way to amend the U.S. Constitution begins in Congress, where a proposed amendment must be approved by a two-thirds majority in both the House of Representatives and the Senate. Once Congress passes the amendment, it is sent to the states for ratification, where three-fourths of the state legislatures or conventions must approve it for the amendment to become part of the Constitution.