Fractions%20VIII%20Subtracting%20Like%20Denominators

1
Fractions VIII Subtracting Like Denominators

• By Monica Yuskaitis

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

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

5
5
5
1/5
6
Subtract these fractions
1/4
1/4
3
1
2
-

4
4
4
1/4
7
Simplify Your Answer
2
2
1


4
2
2
8
Subtract these fractions
1
1
1
6
6
6
3
2
5
-

6
6
6
1
1
6
6
9
Simplify Your Answer
3
3
1


6
3
2
10
Subtract these fractions
1
1
1
6
6
6
2
2
4
-

6
6
6
1
6
11
Simplify Your Answer
2
2
1


6
2
3
12
Subtract these fractions
2
3
5
-

12
12
12
13
Simplify Your Answer
2
2
1


12
2
6
14
Subtract these fractions
6
3
9
-

10
10
10
15
Simplify Your Answer
6
2
3


10
2
5
16
Subtract these fractions
1
3
4
-

4
4
9
9
9
17
Subtract these fractions
7
6
1
-

5
5
8
8
8
18
Simplify Your Answer
6
2
3

5
5

8
2
4
19
Subtract these fractions
8
6
2
-

4
1
3
9
9
9
20
Simplify Your Answer
6
3
2

1
1

9
3
3