17+ How To Find The Least Common Denominator Images. Finding the (least) common denominator. The common denominator has to be a multiple of each of the denominators.
The trick was to list the multiples of each denominator, then find the least common multiple.
1 6 and 3 8 we need to find the least common multiple of 6 and 8. In the first method, lcd of two or more fractions is found as the smallest of all the possible common denominators.in second method, we find the prime factors of the denominators. W e will see that to add fractions, or to compare fractions that have different denominators, we must construct a common denominator. In mathematics, the least common multiple, also known as the lowest common multiple of two (or more) integers a and b, is the smallest positive integer that is divisible by both.