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Main Idea and New Vocabulary
Key Concept: Add and Subtract Like Fractions
Example 1: Add Like Fractions
Example 2: Add Like Fractions
Example 3: Subtract Like Fractions
Example 4: Subtract Like Fractions
Example 5: Subtract Like Fractions
Example 6: Real-World Example
• Add and subtract fractions with like denominators.
• like fractions
Add Like Fractions
Find Write in simplest form.
Add the numerators.
Simplify.
Answer: __1112
Find Write in simplest form.
A.
B.
C.
D.
Add Like Fractions
Find Write in simplest form.
Add the numerators.
Use the rules for adding integers.
Answer: – __56
Find Write in simplest form.
A.
B.
C.
D.
Subtract Like Fractions
Find Write in simplest form.
Subtract the numerators.
Simplify.
Answer: __23
Find Write in simplest form.
A.
B.
C.
D.
Subtract Like Fractions
Find Write in simplest form.
Answer: – __910
Subtract the numerators.
Simplify.
Find Write in simplest form.
A.
B.
C.
D.
Subtract Like Fractions
Find . Write in simplest form.
Answer: – __12
Subtract the numerators.
Simplify.
Find – . Write in simplest form.
A.
B.
C.
D.
ART A picture mounted on art board is inch
thick. The frame for the picture is inch thick.
How much thicker than the picture is the frame?
Subtract the numerators.
Answer: The picture is inch thicker than the frame.
Simplify.=
WINDOWS A pane of window glass is inch
thick. A second pane of glass is inch thick.
How much thicker is the second pane of glass?
A. in. C. in.
B. in. D. in.