Question

The product of two rational is (-28/81).if one of the number is -4/15.find other

Answer 1

35/27

Explanation:

We simply need to divide the product of the numbers (-28/81) by one of the numbers (-4/15):

`((-28)/(81))/((-4)/(15) ) \\ \\= (-28)/(81) * (15)/(-4) \\\\= (7 * 5)/(27) = (35)/(27)`

The second number is 35/27.