Question

express 4.125 bar in 25​

Answer 1

x = 4.125125125.......................[ 1 ]

1000x = 4125.125125..............[ 2 ]

[ 2 ] - [ 1 ]

1000x - x = (4125.125......) - (4.125......)

=> 999x = 4121

=> x = 4121/999

Hope it helps