Fractions: Adding and Subtracting Like Denominators

1
Fractions Adding and Subtracting Like
Denominators
2
Parts of a Fraction
3
the number of parts
4
the total number of parts that equal a whole
3
Parts of a Fraction
3
numerator
4
denominator
4
Adding Like Denominators
Only add the numerators
1/4
1/4
3
1
4


4
4
4
1/4
1/4
5
Add these fractions
1/5
1/5
3
1
4

1/5

5
5
5
1/5
6
Add these fractions
1/4
1/4
2
1
3


4
4
4
1/4
7
Add these fractions
1
1
1
6
6
6
5
2
3


6
6
6
1
1
6
6
8
Add these fractions
1
1
1
6
6
6
4
2
2


6
6
6
1
6
9
Add these fractions
8
3
5


12
12
12
10
Add these fractions
4
3
1


10
10
10
11
Add these fractions
7
3
4


4
4
9
9
9
12
Add these fractions
3
4
1


5
5
8
8
8
13
Add these fractions
2
3
1


4
7
3
9
9
9
14
Subtracting Like Denominators
Only subtract the numerators
1/4
1/4
4
1
3
-

4
4
4
1/4
1/4
15
Subtract these fractions
3
5
8
-

12
12
12
16
Subtract these fractions
4
3
7
-

10
10
10
17
Subtract these fractions
2
3
5
-

6
6
6