Question

Find five rational number between -2/3 and -4/7​

Answer 1

(-2/3 +-4/7)/2=>(-14-12)/21/2=>-13/21

Answer 2

Lcm of 3 and 7 = 21
-2*7/3*7 = -14/21
-4*2/7*2 = -8/21

Five rational numbers between them are:

-9/21,-10/21,-11/21,-12/21 and -13/21