There is none because the Least Common Denominator (or LCD) is the Least Common Multiple (LCM) of the denominators of two or more fractions. Even if you converted your numbers (x) to their fraction equivalents (x/1), the LCD will always be 1.
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7
It is 77.
The common denominator of any two or more whole numbers will always be 1.
Well, honey, let me break it down for you. To compare fractions, you need to find a common denominator. In this case, the common denominator would be 77. When you do the math, you'll see that 6/7 is equal to 66/77 and 9/11 is equal to 63/77. So, technically, 6/7 is bigger than 9/11.
Least Common Multiple (LCM) for 17 77 is 1,309.