Hello from MrBillDoesMath!
Answer:
-3
Discussion:
First observe that 4 is a common denominator of each fraction:
-5 1/2 + 6 3/4 - 4 1/4 = (convert 1/2 = 2/4)
-5 2/4 + 6 3/4 - 4 1/4 =
(-5 + 6 - 4 ) + ( -2/4 + 3/4 - 1/4) =
(1 - 4 ) + (-3/4 + 3/4) =
-3 + (0) =
-3
Thank you,
MrB