The sum of two numbers is 12. One number is x. The other number is ______.
1st number | 2nd number | sum |
---|---|---|
2 | 10 | 12 |
6 | 6 | 12 |
4 | 8 | 12 |
x | 12 - x | 12 |
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 8 | Multiples of 12 |
---|---|
8 x 3 = 24 | 12 x 3 = 36 |
8 x 4 = 32 | 12 x 4 = 48 |
8 x 5 = 40 | 12 x 5 = 60 |
8 x 6 = 48 | 12 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.