Least Common Multiple
Multiplying and/or Dividing Fractions
Least Common/Greatest Common Denominator
Adding and/or Subtracting Fractions
Greatest Common Factor
100
LCM of 2 and 5
What is 10
100

1/2  ÷  1/6

What is 6/2 or 3

100
Find the common denominator between 1/2 and 1/3
What is /6
100

1/7+2/7

What is 3/7

100
GCF of 12 and 18
What is 2
200
LCM of 4 and 8
What is 8
200

1/2 × 2/5

What is 2/10 = 1/5

200
Find the common denominator between 1/4 and 1/5
What is /20
200

8/9-4/9

What is 1/9

200
GCF of 9 and 11
What is 99
300
LCM of 12 and 16
What is 48
300

2/3  ÷  5

What is 2/15 

300
Find the common denominator between 1/4 and 1/6
What is /12
300

1/8+1/5

What is 2/40=1/20

300
GCF of 12 and 24
What is 6
400
LCM of 6 and 10
What is 30
400

3  ÷  1/4

What is 12/1 or 12

400
Find the common denominator between 2/3 and 4/5
What is /15
400

1/6+3/3

What is 1 and 1/6

400
GCF of 40 and 60
What is 20
500
LCM of 45 and 60
What is 180
500

1/3 × 9/16

What is 9/48 = 3/16 

500
Find the common denominator between 5/8 and 3/7
What is /56
500

5/8-2/3

What is 3/24=1/8

500
GCF of 6 and 10
What is 30
500
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