Make both the fractions have the same denominator. 2/3 is equivalent to 14/21.
1/7 is equal to 3/21
14/21-3/21 = 11/21
It is 6, because 84:6=14 and 36:6=6
Step 1) Find the area of the trapezoid:

Step 2) Find the answer:

So the answer is
56
Answer:
Step-by-step explanation:
Your question is not complete.
According to what do we validate with the equation.
add more info in the question because all of them can be true without any condition given or validation.