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yawa3891 [41]
2 years ago
8

How do I find a least common denominator? ​

Mathematics
2 answers:
Kitty [74]2 years ago
6 0

Answer:

Below.

Step-by-step explanation:

You can find this by first finding the prime factors of the numbers.

For example, find the LCD of 12 and 16:

12 = 2 * 2 * 3

16 = 2 * 2 * 2 * 2

There are 2 pairs of 2's in the list so only 2 of these four are included in the calculation. All other factors are included.

The LCD is:

2 * 2 * 2 * 2 * 3

= 16*3

= 48.

Find the LCD of  3 and 6

6 = 2 * 3

3 = 3

- so only one of the 3's is included:

LCD = 2*3 = 6.

Afina-wow [57]2 years ago
4 0

Answer:

to find the least common denominator list out the multiples of both denominator until you find the smallest multiple that is shared by both

4: 4,8,12,16,20,24,28,32,

7:14,21,28,35,

because 28 is the first shared multiple of 4 and 7,it most be the least common denominator for these two fractions.

Step-by-step explanation:

hope its help po

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