Adding

1
Adding Subtracting Fractions With Like
Denominators
2
Numerator
Denominator
3
To add or subtract fractions with like
denominators

• Denominators the same add or subtract
• Numerators leave the denominator the same
• Simplify the answer
• Improper fractions mixed numbers.

4
Examples
1
2


5
5
5
9
5


14
14
The GCF of 4 and 14 is 2, so we divide by 2 to
reduce.
6
8
3


9
9
9
This is an improper fraction (the top is bigger
than the bottom), so we want to change it to a
mixed number.
To do this, divide the bottom into the top.
7
Try Some
7
5

12
12
4
1


7
7
12
8


15
15
8
Homework Time!