You can use the LCD Calculator to find the least common denominator for a set of fractions For your first fraction, find what number you need to multiply the denominator by to result in the least common denominator Multiply the
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The least common denominator calculator will help you find the LCD you need before adding, subtracting, or comparing fractions. One way to understand the least common denominator is
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Find the LCD of: 1 1/2, 3/8, 5/6, 3. Convert integers and mixed numbers to improper fractions. 3/8 and 5/6 are already fractions so we can use those as they are written. 1 1/2 is the same as (1/1) + (1/2). Using the formula for adding fractions, ( (n1*d2)+ (n2*d1)) / (d1*d2), we get ( (1*2)+ (1*1)) / (1*2) = 3/2. See more