Question

Mr. Clements painted his barn for 3 3/5 hours in the morning. He painted the barn for 5 3/4 hours in the afternoon. For 15a-15cn select True of False for each statement.

Answer 1

True

Explanation:

A common denominator of the mixed numbers is 20. select True or false

Mr. Clements painted his barn for 3 3/5 hours in the morning.

`3(3)/(5)=(18)/(5)`

He painted the barn for 5 3/4 hours in the afternoon.

`5(3)/(4)=(23)/(4)`

Now we consider the denominator of both fractions 18/5 and 23/4

Least common denominator is 5 times 4 = 20

So its true that the common denominator of mixed numbers is 20