Question

. Dinah bought 3 packages of ground beef. The packages weigh 3 3/4 pounds, 1 1/8 pounds, and 2 1/2 pounds. How many pounds of ground beef did Dinah buy

Answer 1

`7(3)/(8)` pounds

Explanation:

First, convert the fractions into improper fractions, and make them have the same denominator.

First package:
`3(3)/(4) =(15)/(4)=(30)/(8)`

Second package:
`1(1)/(8) =(9)/(8)`

Third package:
`2(1)/(2)=(5)/(2)=(20)/(8)`

Notice that all the fractions have the same denominator, making it easy to add up. Now we add up the fractions.

`(30)/(8)+(9)/(8)+(20)/(8)=(59)/(8) =7(3)/(8)`