Question

-2 3/7 + b = 6 1/7

A. b = 3 5/7

B.b= 4 2/7

C. b = 8 2/7

D. b = 8 4/7

Answer 1

Hello,

b=6 1/7 + 2 3/7
==>b=(6+2)+(1/7+3/7)
==>b=8 4/7
Answer D