This is the 11422nd most frequent Russian word.
добавляя
Adding.
Here 'добавляя' is used as a present participle describing the manner of preparation, implying that while preparing the soup, he was actively adding spices.
Он приготовил суп, добавляя специи.
He made the soup by adding spices.
In this case, 'добавляя' serves as a present participle suggesting that while narrating the story, she actively included extra elements to enrich its content.
Она рассказывала историю, добавляя интересные детали.
She was telling a story, adding interesting details.
'Добавляя' is used as a present participle to indicate continuous action, stressing that while managing the project, innovative concepts are consistently being introduced.