Question

Express 0. 3578 bar on 578 in the form of p/q

Answer 1

Let x=0.3578578............(1)
→10×x=10×0.3578578.........
→10x=3.578578...............(2)
→1000×10x=3.578578.........
→10000x=3578.578578.....(3)

Substracting in equation (2) and (3)
→10000x-10x=3578.578578-3.578578
→9990x=3575
→x=3575/9990
→x=715/1998.

hope it is helpful for you:(☺☺☺☺