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the common denominator of 10, 8, and 12 is 120.
It is: 420
180
10/12 - 1/4 needs to have a common denominator. It appears 12 would be our common denominator.10/12 - (1/4 x 3/3) = 10/12 - 3/12 = 7/12.
To compare two fractions, find a common denominator, then convert each fraction to equivalent fractions with that common denominator. Finally, you compare the numerators. 5/6