Fill in the blanks to complete each solution.
Perform each operation and simplify, if possible.See Example 1.
Subtract and simplify, if possible.See Example 2.
Perform the operations and simplify, if possible.See Example 3.
Add and simplify, if possible.See Example 4.
2
7
1
2
2
5
1
2
1
4
1
5
1
3
1
7
21
50
1
50
13
50
13
33
1
33
7
33
11
24
1
24
7
24
19
40
3
40
1
40
21
25
a9
25
b7
21
a2
21
b15
9
a11
9
b11
5
a8
5
b7
18
5
18
11
20
3
20
10
21
5
21
11
15
7
15
7
12
1
12
3
8
1
8
3
7
1
7
4
9
1
9
GUIDED PRACTICE
24
21 16
21
16
7
8
2
3
7
8
3
3
2
3
35
35
35
5
2
5
1
7
2
5
1
7
5
5
NOTATION Subtract and simplify, if possible.See Example 5.Subtract and simplify, if possible.See Example 6.Add and simplify, if possible.See Example 7.Add and simplify, if possible.See Example 8.Subtract and simplify, if possible.See Example 9.Determine which fraction is larger.See Example 10.Add and simplify, if possible.See Example 11.1
2
3
5
3
20
4
15
2
3
1
6
1
10
1
8
1
5
1
6
5
18
2
9
19
15
or
5
4
23
20
or
7
6
3
8
or
5
12
7
9
or
11
12
7
9
or
4
5
4
5
or
2
3
5
6
or
7
12
3
8
or
5
16
7
15
5
12
11
12
7
15
11
12
11
30
9
10
3
14
1
9
5
6
4
9
5
12
7
12
3
8
1
6
5
8
1
7
10
3
9
4
3
5
8
2
5
9
13
15
2
3
9
14
1
7
11
18
1
6
11
12
2
3
6
7
2
3
3
4
2
7
2
3
3
5
4
5
3
4
3.4 Adding and Subtracting Fractions 253