Embed Size (px)
DESCRIPTION
Subtracting Fractions with Like Denominators. 1. 1. 1. 1. 1. 1. 5. 5. 5. 5. 5. 5. Subtracting Fractions with Like Denominators. -. 1. 1. 1. 1. 1. 1. 1. 1. 1. 1. 1. 1. 1. 1. 1. 1. 1. 1. 10. 10. 10. 10. 10. 10. 10. 10. 10. 10. 10. 10. 10. 10. 10. 10. - PowerPoint PPT Presentation
Citation preview
© 2007 M. Tallman
© 2007 M. Tallman
-51
51
51
51
51
51
© 2007 M. Tallman
-
=
101
101
101
101
101
101
101
101
10110
110110
1101
101
101
101
10110
1
© 2007 M. Tallman
81
- 81
81
81
81
81
81
81
© 2007 M. Tallman
-
=71
717
171 7
1
71
71 7
1
© 2007 M. Tallman
- 151
151
151
151
151
151
151
151
151
157
152
-
155
Step 2: The denominator remains the same.
Step 3: Simplify, if necessary.
Step 1: Subtract the numerators.
151
151
151
151
151
GCF: 555÷ 3
1=
31
© 2007 M. Tallman
-65
62
-
63
Step 2: The denominator remains the same.
Step 3: Simplify, if necessary.
GCF: 3
Step 1: Subtract the numerators.
21
33÷ 2
1=
61
61
61
61
61
61
61
61
61
61
© 2007 M. Tallman
101
-104
102
-
102
Step 2: The denominator remains the same.
Step 3: Simplify, if necessary.
GCF: 2
Step 1: Subtract the numerators.
22÷ 5
1=
101
101
101
101
101
51
101
101
© 2007 M. Tallman
-94
91
-
93
Step 2: The denominator remains the same.
Step 3: Simplify, if necessary.
GCF: 3
Step 1: Subtract the numerators.
33÷ 3
1=
91
919
191
91
91
919
1
31
© 2007 M. Tallman
-125
121
-
124
Step 2: The denominator remains the same.
Step 3: Simplify, if necessary.
GCF: 4
Step 1: Subtract the numerators.
44÷ 3
1=
112
112
112
112
112112
31
112
112
112
112
© 2007 M. Tallman
-83
81
-
82
Step 2: The denominator remains the same.
Step 3: Simplify, if necessary.
GCF: 2
Step 1: Subtract the numerators.
22÷ 4
1=
81
81
81
81
81 8
1
41
© 2007 M. Tallman
881
-84
GCF: 444÷ 2
1=
5
Step 2: The denominator remains the same.
Step 3: Simplify, if necessary.
Step 1: Subtract the numerators.
© 2007 M. Tallman
11115
-114
9
Step 2: The denominator remains the same.
Step 3: Simplify, if necessary.
Step 1: Subtract the numerators.
© 2007 M. Tallman
10105
-104
GCF: 222÷ 5
2=
9
Step 2: The denominator remains the same.
Step 3: Simplify, if necessary.
Step 1: Subtract the numerators.
© 2007 M. Tallman
16161
-168
GCF: 888÷ 2
1=
9
Step 2: The denominator remains the same.
Step 3: Simplify, if necessary.
Step 1: Subtract the numerators.
© 2007 M. Tallman
12122
-125
7
Step 2: The denominator remains the same.
Step 3: Simplify, if necessary.
Step 1: Subtract the numerators.
