Rewrite the fractions using the least common denominator.
7/10 and 5/6

14/20 and 10/12

Step-by-step explanation:

7/10

Multiply both numerator and denominator by 2

7/10=(7×2)/(10×2)=14/20

5/6

Multiply both numerator and denominator by 2

5/6=(5×2)/(6×2)=10/12

18 feet

Step-by-step explanation:

Well, first we need to find the circumference because that is the outside of the pipe.

Circumference = 2 x Pi x Radius

Radius is half of diameter.

So we plug in all the values in to the formula.

2 x Pi x 6 inches = Circumference

12Pi = 37.69911184 inches

37 inches to feet = about 3 feet.

3 x 6 = 18 feet.