Question

find x+y =7
x = 14/3 and y = 7/3

Answer 1

This is the ans by lcm

Answer 2

$x = \frac{14}{3}\\ and y = \frac{7}{3} \\ \\ On adding both, we get \\ \\ x + y = \frac{14}{3} + \frac{7}{3} \\ \\ x + y = \frac{14 + 7}{3}\\ \\ x + y = \frac{21}{3} \\ \\ x + y = 7$