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calculator. LCD with variables means least common denominator with variables. Least common denominator

with variables is the smallest expression that is the multiple of the denominators in a given set of fractions

with variables.

Given are two fractions (3/15)x and (7/12)x.

Here the given two fractions have different denominators 15 and 12.

To find the least common denominator for the two expressions their multiples need to be written.

15 has multiples 15, 30, 45, 60, 75...........

12 has multiples 12, 24, 36, 48, 60...........

The smallest common multiple between 15 and 12 is 60.

Given are two fractions (1/6)y and (13/30)y.

Here the given two fractions have different denominators 6 and 30.

To find the least common denominator for the two expressions,their multiples need to be written.

6 has multiples 6, 12, 18, 24, 30...........

30 has multiples 30, 60, 90...........

The smallest common multiple between 6 and 30 is 30.