Question

3/7+(-6/11)+(-8/21)+5/22​

Answer 1

Your ans is here in pic..

Hope this is helpfull for you

Answer 2

Answer:-125/462 = -0.270

Step-by-step explanation:

(3/7-8/21)+(5/22-6/11)

(9-8)/21+(5-12)/22

(1/21)-(7/22)

22-147/462

-125/462 or ~o.270