Question

2/6 - 4/5 {3/8 (1/7- 2/3 - 4/7 + 6/9) + 2/3} 1
Con proceso

Answer 1

2/6 - 4/5 {3/8 (1/7- 2/3 - 4/7 + 6/9) + 2/3} 1

2/6 - 4/5 {3/8(-3/7) + 2/3} 1 

2/6 - 4/5 {-9/56 + 2/3} 1 

2/6 - 4/5 {85/168} 1

2/6-17/42


-1/14