Question

2/3+(7/6)-(11/2)+(9/14)-(2/21)=?

Answer 1

Answer:

-131/42.

Step-by-step explanation:

2/3 + 7/6 - 11/2 + 9/14 - 2/21

= 4/6 + 7/6 - 33/6 + 27/42 - 4/42 (taking LCM of first 3 and last 2 terms)

= -22/6 + 23/42

= -154/42 + 23/42 (taking LCM)

= -131/42