preposition / conjunction / noun / adjective
plus
PLUS/plʌs/
With the addition of something.
Three lemons plus two more make five lemons on the table.

Etymology
Latin plus meant “more.” Its use for mathematical addition connects that idea to the preposition: something extra is added to what is already present.
In context
we have a common denominator here so you have 4 plus 3 is going to give me on the top 7
More examples
- The room costs $100 plus tax.
- The apartment is sunny; plus, free parking is a real plus.
- The temperature rises from minus two to plus three degrees.
- Write a plus between the numbers to show addition.
Forms
plus · pluses