what is the least common denominator?
It is the smallest number into which all of the denominators in a series of fractions can be evenly divided. For instance, is you have fractions
1/2, 2/3 and 5/6, the denominators are 2, 3 and 6, and the least common denominator is 6. The denominators 2, 3 and 6 can all be evenly divided into 6. There are larger common denomintors, such as 12, 18, 30, and 36, but 6 is the smallest one.
what is the LCD for1/6,2/5,3/7,3/5