Simplifying Fractions by Multiplying by the LCD
Step 1. Write the expression with only positive exponents.
Step 2. Find the LCD of all fractions in the rational expression.
Step 3. Multiply the numerator and denominator by the LCD.
Step 4. Simplify to get the answer in lowest terms.
Problem 1.
Simplify the expression.
Solution Step 1:
The expression is already written with only positive exponents, so we
move on to Step 2.