21st November 2019

mathnstuff
14

What numbers make 12?

The sum of two numbers is 12. One number is x. The other number is ______.
1st number2nd numbersum
21012
6612
4812
x12 - x12

Herein, what is the common denominator of 12 and 15?

Consider the numbers 12 and 15 again: The multiples of 12 are : 12, 24, 36, 48, 60, 72, 84, . The multiples of 15 are : 15, 30, 45, 60, 75, 90, . 60 is a common multiple (a multiple of both 12 and 15), and there are no lower common multiples.

What is the least common denominator of 12 and 8?

Step 1: List the Multiples of Each Number
Multiples of 8Multiples of 12
8 x 3 = 2412 x 3 = 36
8 x 4 = 3212 x 4 = 48
8 x 5 = 4012 x 5 = 60
8 x 6 = 4812 x 6 = 72

What is the lowest common multiple of 12 and 15?

The multiples of 15 are : 15, 30, 45, 60, 75, 90, . 60 is a common multiple (a multiple of both 12 and 15), and there are no lower common multiples. Therefore, the lowest common multiple of 12 and 15 is 60.
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