with what english, science anything i no it all
In order to add or subtract fractions, they must have a common denominator. I hope I answered your question.
Answer:
3.7037037037
Step-by-step explanation:
To work out circumference you use:

Do get diameter from the circumference, you divide the circumference by pi:
36 / 3.14 = 11.5, or rounded to 12.
So the answer is 12 yards.
Hope this helps!