Question

The sum of two ratione numbers is 1.if one
of the national number is -3/7 find the other​

Answer 1

$Let \: x + \frac{ - 3}{7} = 1$

So,

$x + \frac{ - 3}{7} = 1 \\ \\ x = 1 + \frac{3}{7} \\ \\ x = \frac{7 + 3}{7} \\ \\ x = \frac{10}{7}$

hope it will help u ✨☺️