Question

what's the least common denominator of 3/4 4th 5th and 2/3

Answer 1

The LCD of 4 and 3 is 4 *3 = 12.
Answer: 12

Answer 2

To figure this question out you have to list the multiplication facts:
                 __ 
3: 0,3,6,9,I12I,15,18,21.......
              ____
4: 0,4,8,I12,I16,20,24,28,32,36....
              __

O  look i found a common denominator. 12. It wont be 0. it will be 12. (the __
                                                                                                                     I   I
                                                                                                                     __
is a box.) Hope this helps!