#### Transcript of Adding and Subtracting Fractions

Adding Improper Fraction

Step 1. Find the LCD

Step 2. Find out the equivalent fraction using the LCD

Step 3. Add the numerators together

Step 4. Simplify into mixed number

How to Subtract Improper Fraction

Step 1. Find a common denominator

Step 2. Subtract

Step 3. Simplify

How to Add a Proper Fraction

How to Add a Mixed Number

What do we already know?

Improper fractions

Mixed numbers

**Adding and Subtracting Fractions **

Devin, Abby, Tariq and Breanna

How to Subtract a Proper Fraction

How to Subtract a Mixed number

Step 1. Change

Step 2. Find a common denominator

Step 3. Subtract the numerators

Step 4. Simplify

Examples

Step 1. Find the LCD

Step 2. Find out the equivalent fraction using the LCD

Step 3. Add the numerators together

Step 4. Simplify (if needed)

To add a fraction with the same denominator you just add the numerators and keep the same denominator.

Examples

18/24 + 5/8= ?

7/21+ 9/3= ?

Example

5/10-17/30=?

15/24-1/8=?

Examples

Do the same thing except subtract at the end instead of adding

Step 1. Find the LCD

Step 2. Find out the equivalent fraction using the LCD

Step 3. Add the numerators together

Step 4. Add the whole numbers together

Step 5. Simplify (if needed)

Examples

8 1/3+11 3/6=?

2 1/8+11 1/2=?

6 3/4 - 5 1/2=?

4 3/5 - 2 8/15=?

Examples

10/4+7/4=?

5/4+20/8=?

9/7-16/14=?

4/3-13/12=?

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