Question

what no. should be subtracted from 3/7 to get 5/4 in steps

Answer 1

3/7-5/4=12-35/28=-23/28
is your answer

Answer 2

$let \: the \: no. \: be \: x \\ \frac{3}{7} - x = \frac{5}{4} \\ = - x = \frac{5}{4} - \frac{3}{7} \\ - x = \frac{23}{28} or \: x = - \frac{23}{28(ans)}$