Question

Find the least common denominator (LCD) of 5/12 and 1/9

Answer 1

The least common denominator for 5/12 and 1/9 would be 36.


Explanation:

12: 12, 24, 36
9: 9, 18, 27, 36

If you do the multiples for 12 and 9, as you can see the first multiple that’s the same is 36.

Answer 2

We need to find the least common denominator of the given numbers.

$36$ will be the lowest common denominator.

The given numbers are  $\dfrac{5}{12}$ and $\dfrac{1}{9}$

Keep multiplying each number with a greater number starting from one.

Notice when the products are same.

The product which is common will be the lowest common denominator.

$12: 12\times1=12,12\times2=24,12\times3=36$

$9: 9\times1=9,9\times 2=18,9\times 3=27,9\times 4=36$

So, here $36$ will be the lowest common denominator.

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