No, 2/3rds of both the House and the Senate are necessary to submit amendments to the states (67%) but 3/4ths (75%) must ratify. But if 3/4 the States call for a convention then the House and Senate don’t have a say!!!
“But if 3/4 the States call for a convention then the House and Senate don’t have a say!!!”
What’s your point? The whole idea of a convention is to go around the Congress.