6) 14 1/7 - (y + 8 3/8) = 4 1/2

1. y + 8 3/8 = 14 1/7 - 4 1/2

2. y + 8 3/8 = 14 2/14 - 4 7/14 = 13 16/14 - 4 7/14 = 9 9/14

3. y = 9 9/14 - 8 3/8 = 9 36/56 - 8 21/56 = 1 15/56