you need 4 1/8 yards of blue silk to make one bridesmaid's dress and 3 5/8 yards of the same fabric to make another. how many yards of blue silk do you need to make both dresses?

You need 7 3/4 yards of blue silk to make both dresses

Step-by-step explanation:

1. Let's review the information given to us to answer the question correctly:

Blue silk needed to make one bridesmaid's dress = 4 1/8 yards

Blue silk needed to make another bridesmaid's dress = 3 5/8 yards

2. How many yards of blue silk do you need to make both dresses?

Yards of blue silk needed to make both dresses = Blue silk needed to make one bridesmaid's dress + Blue silk needed to make another bridesmaid's dress

Yards of blue silk needed to make both dresses = 4 1/8 + 3 5/8

Yards of blue silk needed to make both dresses = 33/8 + 29/8

Yards of blue silk needed to make both dresses = 62/8 = 7 6/8 = 7 3/4

You need 7 3/4 yards of blue silk to make both dresses