Question

what should be subtracat from -5/7 to. get -1 ?

Answer 1

let thst no. be x

so

$\frac{ - 5}{7} - x = - 1$
$x = \frac{ - 5}{7} + 1$
$x = \frac{ - 5 + 7}{7} = \frac{2}{7}$

Answer 2

Hope this helps.....