Lesson 5-10 for exercise sets. &KDSWHU 3UDFWLFH $FWLYLWLHVDivide: ()() • () 1 Express as a mixed number.The signs are the same,
so the quotient is positive. 1
8 Multiply by the
reciprocal.7
9 16
92 • 8
9 • ( 1 )8
1 2
9 2
9 1
8 2(^19) Divide:
•
134 Express as mixed number.
The signs are different, so
the quotient is negative.
7
4
7 • 1
4 • 1
7
20
5
4 1
1
Multiply by the
reciprocal.5
1 7
201
5 7
201
5 7(^220)
Divide: 10
10
•
20
Multiply the reciprocal
of the divisor by the
dividend.
2
1
10
1
1
2
10
1
1
2
1
2
20
1
10 • 2
1 • 1
3 Divide: 20
20
•
•
Multiply the reciprocal
of the divisor by the
dividend.
1
20
2
3
1
(^2010)
2
3
1
1
30
2
3
2
3
2
3
1 • 1
3 • 10
20
1
4
To divide signed fractions, use the same sign rules as you use for dividing integers.
You can also divide an integer by a fraction or a fraction by an integer. 12 • • 1613
4
121
12
43
411
123
43
41
• • ^151155
33
59 3 5 5 3 19
139
19
12A has a fraction or mixed number in the numerator, the
denominator, or both. To simplify, divide the numerator by the denominator.complex fraction • • ^161511516
55
68 9 5 6 6 52
8
9
38
98
93Divide. Express your answer in simplest form.- 2. 3. (30) 4. 5.
6.Discuss and Write Explain the difference in how you simplify 21 ^38 and •.^12387
81
2 5
67
105
6 4
51
2
3
8
3
4