Question

Express4/-7
as a rational number with denominator,i) 84
(ii) — 28​

Answer 1

I)

$\frac{4}{ - 7} = \frac{4}{ - 7} \times \frac{ - 12}{ - 12} = \frac{ - 48}{ 84}$

ii)

$\frac{4}{ -7 } = \frac{4}{ - 7} \times \frac{4}{4} = \frac{16}{ - 28}$

hope it helps you