Simplifying
Greatest Common Factor
Equivalent Fractions
Adding & Subtracting
100

Simplify: 25/50 

1/2 

100

Find the greatest Common factor (GCF) of 2 & 4. 

100

Name an equivalent fraction: 3/9

1/3, 6/18, 9/27

100

1/2 + 1/2 

2/2 or 1 

200

Simplify: 3/15

1/5

200

Find the greatest Common factor (GCF) of 3 & 6. 

3

200

Name an equivalent fraction: 5/8

10/16, 15/24

200

3/6 + 5/8

27/24 or 9/8

300

Simplify: 5/20

1/4

300

Find the greatest Common factor (GCF) of 5 & 11

300

Name an equivalent fraction: 7/10

14/20, 21/30 

300

1/2 - 1/4 

1/4

400

Simplify: 24/30

4/6

400

Find the greatest Common factor (GCF) of 6 & 14

2

400

Name an equivalent fraction: 4/6

2/3, 8/12, 12/18 etc... 

400

7/8 - 1/2

3/8

500

Simplify: 12/20

3/5

500

Find the greatest Common factor (GCF) of 20 & 15

5

500

Name an equivalent fraction: 2/3 

4/6, 6/9, 4/12 etc... 

500

6/8 - 1/7

34/56 or 17/28