Hello Aspirant,

Yes, you can add mathematics as an additional subject because mathematics comes in main subjects for JEE mains and Advanced.

As the weightage of Mathematics portion holds enough marks to get a decent college.

Eligibility criteria: STUDENT NEED TO PASS CLASS 12TH WITH A MINIMUM OF 75% MARKS AGGREGATED ALONG WITH Subjects includes Mathematics, Chemistry and Physics and English are main subjects.

So, add mathematics to your additional subjects and you will need to score good marks in that.

For any query revert here.

Check out this link for JEE MAIN RANK PREDICTION:

JEE MAIN COLLEGE PREDICTOR: https://engineering.careers360.com/jee-main-college-predictor?icn=QnA&ici=qna_answer

All the very best.