1. Click the mouse button or press the Space Bar to display the answers.
Transparency 5

2. Splash Screen

3. Add and subtract fractions with like denominators
Objective
Add and subtract fractions with like denominators
Example 5-4c

4. Fractions with the same denominator
Vocabulary
Like fractions
Fractions with the same denominator
Example 5-4c

5. Example 1 Add Like Fractions Example 2 Subtract Like Fractions
Example 3 Add Mixed Numbers
Example 4 Subtract Mixed Numbers
Lesson 5 Contents

6. + +/- Find Write in simplest form. Write problem Use calculator
Put first fraction in the calculator
a b/c +
a b/c
+/- =
Push the addition symbol (+)
Answer:
Put second fraction in the calculator
Put the negative sign in calculator (+/-)
Push the equal sign (=)
1/4
Example 5-1a

7. Find Write in simplest form.
Answer:
1/4
Example 5-1b

8. +/- - Find Write in simplest form. Write problem
Put first fraction in the calculator
Put the negative sign in calculator (+/-)
a b/c
+/- -
a b/c =
Push the subtraction symbol (-)
Answer:
Put second fraction in the calculator
Push the equal sign (=)
2/4
Example 5-2a

9. Find Write in simplest form.
Answer:
2/4
Example 5-2b

10. + Find Write in simplest form. Write problem
Put first fraction in the calculator
Push the addition symbol (+)
a b/c
a b/c +
a b/c
a b/c =
Put second fraction in the calculator
Answer:
Push the equal sign (=)
3/4
Example 5-3a

11. Find Write in simplest form.
Answer:
3/4
Example 5-3b

12. This is the range between the ages so big number - small number
HEIGHTS In the United States, the average height of a 9–year–old girl is inches. The average height of a 16–year–old girl is inches. How much does an average girl grow from age 9 to age 16?
Write problem -
This is the range between the ages so big number - small number
Answer: The average girl grows inches 9 to age 16.
from ages
4/4
Example 5-4a

13. *
HEIGHTS Ainsley was inches tall when she was 4 years old. When she was 10 years old, she was inches tall. How much did she grow between the ages of 4 and 10?
Answer: inches
4/4
Example 5-4c

14. Adding & Subtracting Like Fractions
Assignment
Lesson 2:5
Adding & Subtracting Like Fractions
All
End of Lesson 5