Question

please help me urgently please.​

Answer 1

x-y

4/7-(-2/3)

4/7+2/3

lcm=21

12+14/21

26/21.....(1)

y-x

-2/3-4/7

lcm=21

-14-12/21

-26/21...(2)

as EQ 1 is positive and EQ 2 is negative so,

26/21 is not equal to -26/21