Question

Change 0.4 recurring decimal to a vulgar fraction

Answer 1

Answer:

Let x = 0.4 recurring. Then,

x = 0.4444........ ......( 1 )

0r 10x = 4.444...... ......( 2 )

[ multiplying both sides by 10 ]

on subtracting ( 1 ) from ( 2 ) , we get

9x = 4.000..

or x = 4/9