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how to find the lcd math. Find the Least Common Multiple of the denominators which is called the Least Common Denominator. The LCD is the least common multiple of 3 and 4.
There are two types of LCD worksheets. So we use a common denominator. Then add or subtract the fractions as we wish.
In our solving above the least common multiple of 3 and 4 is 12.
If one breakdown contains two 2s and another contains three 2s youd underline the three 2s. The denominators should now both be equal to the LCD. Finding the Least Common Denominator. In our solving above the least common multiple of 3 and 4 is 12.