estimate 8 5/6 - 5 3/7 +4 4/8 by rounding each fraction to 1/2
A. 10 B. 9
C.7 D. 8
4 4/8 IS 4 1/2, no rounding needed. It would be valid to round 5 3/7 to 5 1/2.
However, 8 5/6 is closer to 9 than to 8 1/2.
9 - 5 1/2 + 4 1/2 = 9 - 1 = 8
The answer would be D. 8