It is 3 because 7 is a prime number and 6 can be divided into 3 by 2:)
The LCD of 6 and 7 is 42
the LCD is 6
LCD is 24
LCD(2, 3) = 6.
The LCD of 6, 5, and 7 is 210.
126
It is 42
42
84
6/7How to work the problem:When adding fractions, you first find the lowest common denominator,then add the neumerators. Since you already havethe LCD(both are7), you simply add 3 + 3 over 7, which = 6. So the answer is 6/7.
21