Question

express (-3/7) to as a rotational number with the denominator (-35) and numerator 63

Answer 1

$for \: denominator \\ \frac{ - 3 \times 5}{7 \times 5} = \frac{ - 15}{35} \\ \\ for \: numinator \\ \frac{ - 3 \times21 }{7 \times 21} = \frac{ - 63}{147}$