Change to mixed number
Adding & Subtracting Fractions with Unlike Denominators
Adding Mixed Numbers with Unlike Denominators
Subtracting Mixed Numbers with Unlike Denominators
Tips for Working with Fractions
100

12/5

2 2/5

100
1/4 + 5/8
7/8
100
4 1/6 + 9 2/3
13 5/6
100
7 3/4 - 1 1/12
6 2/3
100

Whatever you do to the bottom, .......

You have to do to the top

200

11/2

5 1/2

200

2/5 + 1/10

Hint: simplify!

1/2

200

8 1/4 + 8 1/2

16 3/4

200

11 1/2- 7 3/8

4 1/8

200
12/7 is an example of an _______________. This is not in the simplest form!
improper fraction
300

13/6

2 1/6

300
7/12 - 1/2
1/12
300
8 1/6 + 4 1/2
12 2/3
300
17 8/9 - 8 2/3
9 2/9
300
Fractions must have the same _________ before adding or subtracting.
denominator
400

35/10

3 1/2

400
5/6 - 2/12
3/4
400

8 5/6 + 2 2/3

11 1/2

400

7 4/5 - 2 9/10

4 9/10

400
Use __________ fractions or LCM to find the same denominator before adding or subtracting.
equivalent
500

46/9

5 1/9

500

3/12 - 1/6

1/12

500
10 5/6 + 8 2/12
19
500
9 1/2 - 5 8/12
3 5/6
500

Fractions are just parts of a ___________.

Whole