Question

the product of two no.is -28/27. if one of the no.is -4/21 find the other please​

Answer 1

Answer:

let the other required number be x

$\frac{ - 4}{21} \times x = \frac{ - 28}{27} \\ x = \frac{ - 28}{27} \div \frac{ - 4}{21} \\ x = \frac{ - 28}{27} \times \frac{21}{ - 4} \\ x = \frac{49}{9}$