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The LCD of 12 and 16 is 48. The LCD of 1/2 and 1/6 is 6.
There is none because the Least Common Denominator (or LCD) is the Least Common Multiple (LCM) of the denominators of a pair of fractions.
In adding dissimilar fractions first you have to find the LCD! -> LCD means Least Common Denominator. *For example 2/3 3 6 9 12 + 3/4 4 8 12 the LCD is 12 put 12 under the - divide 12 to denominator and write the answer in left of given question
The LCD of 7/10 and 18/25 is 50.
K/3 + k/4 = 1 LCD=12 *divide lcd by denominator* K(4) + K(3) = 12(1) 4k + 3k = 12 7k = 12 k=12/7