Choose the simplified answer for this expression. 3/8b - 3/4b

A: 6/8

B: -3/8b

C: - 3/4b

B

Step-by-step explanation:

In this equation, you must find the common denominator of each fraction, and subtract them.

Given:

3/8b - 3/4b

Step 1: Find the common denominator

As 4 is a factor of 8, multiply the entire fraction by 2 to get the common denominator.

3/8b - 2(3/4b)

3/8b - 6/8b

This is the proper equation

Step 2: Solve

Subtract 6/8b from 3/8b to get the solution

3/8b - 6/8b = -3/8b

The answer is B