Question

Convert octal to decimal with fraction with example

Answer 1

Solved examples of octal fractions to decimal fraction conversion

Problem 1: Convert ( 2 1 . 2 1 )8= ( ? )10


=   2 1 .  2  1
    ↑            ↑
MSD         LSD

= 2 x 81 + 1 x 80 .  2 x 8-1 + 1 x 8-2  


= 2 x 8 + 1 x 1 .  2 x ( 1 / 8 ) + 1 x ( 1 / 64 )  



= 16 +  1  .  ( 0. 2 5 ) +  ( 0 . 0 1 5 6 2 5 )   



= 17 +  0. 265625

 = 17 . 265625

Therefore  ( 2 1 . 2 1 )8 =  ( 1 7 . 2 6 5 6 2 5 )10