Vocabulary
Simplify
Like Denominators
Unlike Denominators
Unlike Denominators (Hard)
100

What is the 1st step when solving addition and subtraction problems with unlike denominators?

Find common denominators.

100

2/8

1/4

100

1/2 + 1/2 =

1

100
3/5 + 1/7 =
26/35
100
2/9 + 3/10 =
47/90
200

What is the 2nd step when adding/subtracting fractions with unlike denominators?

Get equivalent fractions.

200

4/12

1/3

200

1 - 1/2 =

1/2

200
2/4 + 3/9 =
30/36
200

7/8 + 1/5 =

1 3/40

300

What is the 3rd step when adding and subtracting fractions with unlike denominators?

Add or subtract

300

20/3

6 2/3 

300

2/7 + 3/7 = 

5/7

300

5/10 - 1/3 =

1/6

300

8/9 - 3/27 =

7/9

400

What is an improper fraction?

A fraction with a numerator that is greater than the denominator

400

51/6 

8 1/2

400

4/8 + 1/2 =

1

400
1/8 + 3/5 =
29/40
400
10/15 + 3/9 =
135/135
500

What is a mixed number?

A whole number and a fraction

500

55/10

5 1/2

500

1/5 + 2/10 = 

2/5

500

8/12 - 1/24 =

15/24

500

2/4 -3/6 =

0