1. Add & Subtract Like Fractions
7th Grade Math
Lesson Objective:
Students will add and subtract fractions with like denominators.

2. Vocabulary
Like Fractions
Fractions with common denominators

3. Adding Like Fractions
Add. Write in simplest form.

4. Adding Like Fractions
Add. Write in simplest form.

5. Whiteboard Practice
Add. Write in simplest form.

6. Subtracting Like Fractions
Subtract. Write in simplest form.

7. Subtracting Like Fractions
Subtract. Write in simplest form.

8. Whiteboard Practice
Subtract. Write in simplest form.

9. Real World Example
About 6/100 of the population of the United States lives in Florida. Another 4/100 loves in Ohio. How much more of the U.S. population lives in Florida than in Ohio?

10. Whiteboard Practice
In Mr. Navarro’s first period class, 17/28 of the students got an A on their math test. In his second period class, 11/28 of the students got an A. What fraction more of the students got an A in Mr. Navarro’s first period class than his second period class?

11. Whiteboard Practice
Of the 50 states in the United States, 14 have an Atlantic Ocean coastline and 5 have a Pacific Ocean coastline. What fraction of U.S. states have either an Atlantic Ocean or Pacfic Ocean coastline?