Answers

2014-11-06T21:34:46+08:00
The formula would be:
6 - 3 1/2
= 5 2/2  - 3 1/2 (5 + 2/2 = 6)
= 2 1/2





0
2014-11-07T07:50:55+08:00
It will be 6 - 3 1/2

or just

6 - 3.5(if you convert it to decimal)

 6.0
-3.5
------
2.5

there will be 2 1/2 kilograms of meat left.
0