1. Subtracting Mixed Numbers
M5N4 G: Add and subtract common fractions and mixed numbers with unlike denominators.

2. Subtracting Mixed Numbers
The steps for subtracting mixed numbers are a little bit different than adding mixed numbers.
Put on your thinking cap!

3. Step 1: Find a common denominator for your fractions. 5 2 = 8 3 12
5 2 = 8
3 3 = 9
Remember to ask: What is the least common denominator of your two fractions?

4. Step 2: Check to see if you can subtract your fractions. 5 2 = 8 3 12
5 2 = 8
3 3 = 9
Can you subtract 8-9? If NO, we have to rename our whole number.

5. Step 3: Rename your whole number as a whole number and fraction.
4 12 12
5 2 = 8
3 3 = 9

6. Step 4:
Put your renamed whole number and your common fraction together.
4 12 12
5 2 =
3 3 =

7. Step 5: Subtract your fractions and then your whole numbers. 4 20 12
4 20 12
3 9
1 11