1. Subtracting Fractions Renaming
Math Notes
Subtracting Fractions
Renaming

2. Subtracting Fractions
Subtracting mixed numbers is just like subtracting fractions, except that you have to subtract the whole numbers as well as the fractions.

3. 3 Steps
Step One You need to rename before you subtract when the top or first fraction is less than the bottom or second fraction.
Example: 8
1 8

4. Rename You borrow from the whole number four. 1 = 3 8 + 1 = 3 9
1 = =

5. Subtract the fractions and the whole numbers. 3 9 - 1 5 = 2 4 8 8 8
Step 2
Subtract the fractions and the whole numbers. =

6. Step 3
Simplify your answer. =