What are two formal methods for adding amendments to the constitution?

Answer:
Article V creates a two-stage process for amending the Constitution: proposal and ratification.

• An amendment can be proposed by two-thirds of both houses of Congress or…

• by two-thirds of state legislatures requesting Congress to call a national convention to propose amendments.

• An amendment can be ratified by a favorable vote in three-fourths of all state legislatures or by such a vote in specially called ratifying conventions called in three-fourths of the states.
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First answer by ID1253610166. Last edit by Tiffybaby. Contributor trust: 4 [recommend contributor recommended]. Question popularity: 3 [recommend question].