It's better if you complete your 12th with arts or art and craft then you can do diploma in fashion . You can also take arts steam then go for your bachelor's degree in fashion . There no need for maths.

Some diploma course are

Diploma in Fashion Design

Diploma in Fashion Photography

Diploma in Leather Design

Certificate in Footwear Design

Diploma in Fashion Technology

Certificate in Jewellery Design

Diploma in Retail Merchandising

Diploma in Apparel Design

Diploma in Jewellery Design

Diploma in Textile Design

Certificate in Textile Design

Diploma in Visual Merchandising

Certificate in Fashion Design

Certificate in Accessory Design

Certificate in Leather Design

For more information you can visit below link to see about career in fashion design

https://www.careers360.com/courses/fashion-design-course

Thank you. I hope this answer helps you.