Question

Express 2.015151515...... in the p/q,where p and q are integers and q is not equal to 0

Answer 1

In p/q form : 2015151515/ 10^9

Answer 2

here 10p/q = 20.1515.....
and 1000p/q = 2015.1515.....
therefore 1000p/q-10p/q= 2015.15..-20.1515...
=>990p/q= 1995
=>p/q= 1995/990 =>133/66