Question

[-3/7]-[5/7]+2/7-4/7 SOLVE IT

Answer 1

[-3/7]-[5/7]+2/7-4/7
⇒-3/7-5/7+2/7-4/7
⇒-8/7+2/7-4/7
⇒-6/7-4/7
⇒-10/7 .

Answer 2

Given, [-3/7]-[5/7]+2/7-4/7 to solve
⇒ -3/7-5/7+2/7-4/7
Now we have to take LCM
and here LCM is 7
So, 
⇒ -3-5+2-4/7
⇒ -12+2/7
⇒ -10/7