LCM
LCM
LCM
Divisibility Rules
Divisibility Rules
100

The LCM of (2,3)

What is 6?

100
The LCM of (3,4)
What is 12?
100
The LCM of (5,10)
What is 10?
100

What is the divisibility rule for "2"

A number is divisible by 2 if it is even (ends in 0, 2, 4, 6, 8)

100
What is 10/20?
1/2
200
The LCM of (12, 8)
What is 24?
200
The LCM of (10, 11)
What is 110?
200
The LCM of (12,10)
What is 60?
200

What is the divisibility rule for 5?

A number is divisible by 5 if it ends in 0 or 5.

200
What is 18/24?
3/4
300
The LCM of (11,12)
What is 132?
300
The LCM of (4,5)
What is 20?
300
The LCM of (3,5)
What is 15?
300

What is the divisibility rule for 10?

A number is divisible by 10 if it ends in a 0.

300
What is 90/100?
9/10
400
The LCM of (2,3,4)
What is 12?
400
The LCM of (3,5,6)
What is 30?
400
The LCM of (2,4,8)
What is 8?
400

What is the divisibility rule for 3?

Add the digits then divide by 3. It must go in evenly.

400
What is 7/28?
1/4
500
The LCM of (2,11,12)
What is 132?
500
The LCM of (5,10,20)
What is 20?
500
The LCM of (3,6,8)
What is 24?
500

What is the divisibility rule for 9? 

Add up the digits and divide by 9. Sum of digits must be divisible by 9.
500
What is 3/54
1/8
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