Question: how many years did it take frodo to get to mordor?
Answer: On T.A. 3019, March 15, Sam and Frodo officially enter Mordor having escaped the Tower of Cirith Ungol, after the ring bearer was stabbed by Shelob. It then takes them 10 days to trek across the plains of Mordor, posing as Orcs, and finally reaching Mount Doom, according to LOTR Project.