Try the Free Math Solver or Scroll down to Tutorials!

 Depdendent Variable

 Number of equations to solve: 23456789
 Equ. #1:
 Equ. #2:

 Equ. #3:

 Equ. #4:

 Equ. #5:

 Equ. #6:

 Equ. #7:

 Equ. #8:

 Equ. #9:

 Solve for:

 Dependent Variable

 Number of inequalities to solve: 23456789
 Ineq. #1:
 Ineq. #2:

 Ineq. #3:

 Ineq. #4:

 Ineq. #5:

 Ineq. #6:

 Ineq. #7:

 Ineq. #8:

 Ineq. #9:

 Solve for:

 Please use this form if you would like to have this math solver on your website, free of charge. Name: Email: Your Website: Msg:

# Simplifying Complex Fractions

Complex fraction-is a rational expressions that contains
rational expressions in the numerator and/or the
denominator.

Simplify: Method 1 Method 2 To simplify a complex rational expression, use one of the
following methods:
Method 1

1. Simplify the numerator and denominator if needed.
2. Rewrite as a horizontal division problem.
Method 2
1. Multiply the numerator and denominator of the complex
rational expression by their LCD.
2. Simplify.

Simplify each of the following:     6. Suppose three resistors R1, R2,R3 are wired in parallel.
The resistance of the circuit is found using the complex
rational expression a) Simplify this complex rational expression.

b) A 20-ohm, a 10-ohm, and a 40-ohm resistor are wired in
parallel. Find the resistance of the circuit.

Class work Worksheet section 7.4 -7.5
Homework Math XL section 7.5

DUE BY________________