What is the difference between 추가하다, 더하다 and 덧붙이다?
Naver says they all mean 'to add' but is there difference in nuance or situations they are used?

Many Thanks!

Question

What is the difference between 추가하다, 더하다 and 덧붙이다?
Naver says they all mean 'to add' but is there difference in nuance or situations they are used?

Many Thanks!

Answer

더하다 means "to add or increase. "
더하다 is used for the general meaning of "to add".

추가하다 means "to put in more of something later. "
추가하다 is used when someone add something LATER.

덧붙이다 means "to make an addition to something that already exists or that one has been working on. "
덧붙이다 is used when someone attach patches to something or add comments to talks or documents.