- Consider the following problem:
Since we don’t want an improper fraction in the
answer, we write as , the 1, and add it
to 78 to get 79.- Consider the following problem:
To subtract in the fraction column, we 1
from 86 in the form of.- a. For , list the whole-number part and the
fractional part.
b. Write as a sum. - Use the commutative property of addition to rewrite
the following expression with the whole numbers
together and the fractions together.You do not have
to find the answer. - The denominatorsof two fractions are given. Find the
least common denominator.
a. 3 and 4 b. 5 and 6
c. 6 and 9 d. 8 and 12 - Simplify.
a. b.c. d.Fill in the blanks to complete each solution.11. 3
2
7 3
2
7 3
10963
5
63
5
7
7
6
35NOTATION
45
24
20
16
12
8
1,288
7
3
9
17
16
14
5
8
53
1
6
(^76 34)
76 34
CONCEPTS
3
324 23 (^24 23)
86 13 86
(^51)
3
3
3
(^971 27)
36
5
7
42
4
7
78
9
7
78 1
2
7
79
2
7
280 Chapter 3 Fractions and Mixed Numbers
12.Add.See Example 1.Add.See Example 2.Add.See Example 3.Add.See Example 4.Add and simplify, if possible.See Example 5.Add and simplify, if possible.See Example 6.35. 36. 44
2
9
76
20
21
82
8
9
46
11
15
53
5
6
47
3
8
39
5
8
62
11
12
75
2
5
43
7
30
54
1
3
106
5
18
22
1
2
19
1
9
11
1
12
59
1
4
82
1
6
14
1
4
29
1
20
78
3
5
77
5
8
55
1
7
89
6
11
43
1
3
60
3
11
24
2
3
41
2
9
18
2
5
568
1
6
52
3
4
667
1
5
47
3
4
259
3
8
40
1
3
334
1
7
42
2
3
6
3
14
1
2
7
6
5
6
3
2
3
3
11
15
2
1
5
4
1
8
1
3
4
4
1
3
1
1
7
2
1
3
4
2
5
2
2
5
3
1
4
1
1
4
2
1
3
GUIDED PRACTICE
23
2
3
23
2
3
8
8
23
24
23
16
24
23
16
242467
3
8 67
3
8 67
9
24 67(^69)
24
66
24