First, let's simplify the expressions inside the parentheses:
3/8 - 1/6 = (9/24) - (4/24) = 5/24
2/9 - 2/5 = (10/45) - (18/45) = -8/45
Now, multiply the simplified expressions together:
(5/24) (-8/45) 27 = -40/1080 * 27 = -1080/1080 = -1
Therefore, (3/8 - 1/6) (2/9 - 2/5) 27 = -1.
First, let's simplify the expressions inside the parentheses:
3/8 - 1/6 = (9/24) - (4/24) = 5/24
2/9 - 2/5 = (10/45) - (18/45) = -8/45
Now, multiply the simplified expressions together:
(5/24) (-8/45) 27 = -40/1080 * 27 = -1080/1080 = -1
Therefore, (3/8 - 1/6) (2/9 - 2/5) 27 = -1.