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Simplifying Complex Fractions
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Complex Fractions
Fractions, Ratios, Money, Decimals and Percent
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Complex Fractions
Fabulous Fractions
Reducing Fractions and Improper Fractions
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Fractions
LESSON: FRACTIONS
ADDING FRACTIONS
Complex Fractions
Fractions, Ratios, Money, Decimals and Percent
Converting Fractions to Decimals and the Order of Operations
Adding and Subtracting Fractions
Complex Fractions
Equivalent Fractions
Review of Fractions
Adding Fractions
Fractions
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Questions About Fractions
Adding Fractions & Mixed Numbers
Adding fractions using the Least Common Denominator
Introduction to fractions
EQUIVALENT FRACTIONS
MULTIPLY TWO OR MORE FRACTIONS
Simplifying Fractions
Multiplying and Dividing Fractions
ADDITION OF FRACTIONS
Multiplying Fractions
Multiplying and Dividing Fractions
Introduction to Fractions
Simplifying Fractions by Multiplying by the LCD

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

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