The problem
Click to see the original problem
how do you reach the 3rd equation
Answer provided by our tutors
We are adding the fractions. To do so, we first find LCD (Least Common Denominator) for the fractions in the expression:
7/2^3, 3/2^2 and2/3.
The least common denominator (LCD) is the smallest number that can be a common denominator for a set of fractions.
LCD is this case is 2^3 * 3.
Next, we add the fractions.
By clicking on the third step, you will also get the additional explanation:
