The phrase "addition to the numerous" is not correct in English as it is missing a preposition.
You can use it when you want to refer to something that is being added to a large quantity or number of items, but it should be rephrased for clarity.
Example: "In addition to the numerous challenges we faced, we also had to consider the budget constraints."
Alternatives: "in addition to the many" or "besides the numerous".
In addition to the numerous mistakes Mr. London made on the day of the accident, it said, he had poor communication skills.
In addition to the numerous dinners and receptions he sponsors as part of his various philanthropic endeavors, he is noted for his annual birthday extravaganza.
I have yet to enter a building in which there is not a cafe, in addition to the numerous coffee shops surrounding the campus.
This was in addition to the numerous power adapters and chargers, each drawing 1 or 2 watts, not to mention several other devices sipping energy to keep clocks running or to be ready to turn on at the push of a button.
In addition to the numerous Glass Eye Pix movies, he enlisted 10 filmmakers and writers to produce "Tales From the Beyond the Pale," audio recordings of 10 short stories in the mold of old radio serials, due out this summer on CD and iTunes.
In addition to the numerous advantages, it is necessary to know the direct and indirect effects of nanoparticles in cells and tissues.
In addition to the beatings, "Numerous testimonies indicated that boys were subjected to sexual torture in places of detention in front of adult men".
The 3′-end region of many virus isolates has been shown to possess conserved sequences in addition to the presence of numerous genomic and subgenomic RNAs.
In addition to the intense peak, numerous smaller peaks have been identified in the visible spectral range between 500 and 800 nm corresponding to the transitions from excited to the ground energy level of Eu.
Over the past fifteen years, in addition to the publication of numerous translations and reprints of Stumpf's writings, several articles and books have been devoted to examining and evaluating the different aspects of his work.
In addition to the daily records, numerous monthly records were set.
