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

Answer:

True

Step-by-step 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.

$3\frac{3}{5}=\frac{18}{5}$

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

$5\frac{3}{4}=\frac{23}{4}$

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