Question

show that 0.742857 whole bar =1/7
​

Answer 1

Step-by-step explanation:

let 0.742857 bar be =x

then 742857.4285bar will be 1000000x

742857+0.74285=1000000x

742857+x=1000000x

742857=99999x

x=742857/999999

x=1/7

Answer 2

Step-by-step explanation:

Actual question will be"Show that 0.1742857 whole bar = 1/7

let 0.1742857 whole bar = x

multiply both side by 10000000

1742857.1742857 whole bar=10000000x

10000000x=1742857.1742857

10000000x=1742857+0.1742857

10000000x=1742857+x

10000000x-x=1742857

9999999x=1742857

x=1742857/9999999

x=1/7