The common denominator of any two or more whole numbers, such as 108 and 120, will always be one (1) because 'common denominator' refers to the denominators of two or more fractions or mixed numbers, not whole numbers. So, a set of whole numbers (x,x) would have to be converted to their fraction equivalents, i.e., x/1, which will always yield a denominator of 1.
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The common denominator will be the LCM of these numbers, which is 120.
There is none because the Least Common Denominator (or LCD) is the Least Common Multiple (LCM) of the denominators of a pair of fractions.
LCD(3, 40) = 120
The least common multiple (LCM) of 324, 108, and 120 is 3240.
To determine which fraction is larger, we need to find a common denominator. In this case, the common denominator is 120. Converting 5/8 to have a denominator of 120 gives us 75/120, while converting 7/15 gives us 56/120. Therefore, 5/8 is larger than 7/15.