LCD means lowest (or least) common denominator, and that implies there must be at least two fractions involved for something to be common to both of them. There is, therefore, no sensible answer to this question.
You need at least two fractions to find something in common.
Assume an additive expression.X5 + X3X3(X2 + 1)--------------------so,X3====Is the LCD
LCD(6, 4) = 12.
y=1over 3x + 3
33.33%
33.3333%
1/3 = 0.333333 recurring.
0.3333 repeating
1/3 x 15 = 5
1over 3, or one third, is 33.33%
1 1/3
1/3 as a decimal is 0.'3' repeating '3'
1 over 3 of 18