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075-B1-2
2. Find the sum or difference in simplest form.
Example
3 1 2 1 34 2 1 a. 2 1 1 2 2 21 1 21
2 4 4 7 3
(3 2) ( 4 4) (2 1) ( 21 21 )
44 21 21
b. 2 3 3 1 c. 3 4 2 1
4 3 5 2
Example
2 2 1 1 2 12 1 12 d. 3 5 2 1 3 14 2 14
3 4 7 2
(2 1) ( 12 12 ) (3 2) ( 14 14 )
12 12 14 14
e. 3 1 1 1 f. 4 1 1 1
5 2 7 3
2. Find the sum or difference in simplest form.
Example
3 1 2 1 34 2 1 a. 2 1 1 2 2 21 1 21
2 4 4 7 3
(3 2) ( 4 4) (2 1) ( 21 21 )
44 21 21
b. 2 3 3 1 c. 3 4 2 1
4 3 5 2
Example
2 2 1 1 2 12 1 12 d. 3 5 2 1 3 14 2 14
3 4 7 2
(2 1) ( 12 12 ) (3 2) ( 14 14 )
12 12 14 14
e. 3 1 1 1 f. 4 1 1 1
5 2 7 3
