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The least common denominator is
.
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To find the least common denominator (LCD) of the given fractions, we first need to identify the denominators:
and
.
Notice that
can be factored as
. Now, we look for the LCD, which must include all the unique factors from both denominators. The denominator
appears in both fractions, and
gives us another factor of 4.
Thus, the least common denominator is
. This means both fractions can be rewritten with
as the common denominator.
Therefore, the least common denominator of
and
is
.