Which is the least common denominator of the equation 2/9x+2/3=7?

a,)3
b,)9
c,)27
d,)63

B) 9

The denominators are 9 and 3

The LCM (lowest common multiple) of 9 and 3 is 9. Therefore the LCD is 9.  Multiplying both sides by the LCD 9 will clear out the fractions.

Answerthe simplified expression isexplanationthe given expression is,let us deal with the bracket first.the two negatives in the parenthesis will become positive.the expression now becomes,we now expand the parenthesis to get,we group like terms to obtain,this simplifies to,