Fastest Subtraction 70 Digit Number

Priyanka (born on 12th July 1999) a student of Slate School, Andhra Pradesh, India created the record for "Fastest Subtraction 70 Digit Number" by breaking the record of Dr B. Sai Kiran. She completed these subtraction feet in less than 60 seconds on 25th February 2014 at Srinivasa Colony Park, Mahabub Nagar, Andhra Pradesh.

Unique ID: 2016MMW194