HOW TO SIMPLIFY COMPLEX RATIONAL EXPRESSIONS

Definition of complex rational expressions :

Complex rational expressions, also called complex fractions, have numerators or denominators containing one or more fractions.

Method 1 : (Using division method)

If the given complex fractions have a single fraction in both numerator and denominator, then multiply the fraction in the numerator by the reciprocal of the denominator.

Method 2 : (Using LCM method)

Step 1 :

If the given complex fractions have a two or more fractions they are added or subtracted in both numerator and denominator with like denominators, write the denominator once and add the numerators.

Step 2 :

If the given complex fractions have two or more fractions and they are added or subtracted in both numerator and denominator with unlike denominators, then we have to use least common multiple and combine them.

Step 3 :

Simplify the numerator and denominator.

Step 4 :

To get the result, Multiply the fraction in the numerator by the reciprocal of the denominator 

Method 3 : (Using cross multiplication method)

Step 1 :

If the given complex fractions have a one fractions and one integer, then we have to apply the cross multiplication method.

Step 2 :

Simplify the numerator and denominator.

Step 3 :

To get the result, multiply the fraction in the numerator by the reciprocal of the denominator

Simplify :

Problem 1 :

Solution :

By using cross multiplication, we get

Problem 2 :

Solution :

By using cross multiplication, we get

Problem 3 :

Solution :

By using cross multiplication, we get

Problem 4 :

Solution :

By cross multiplication, we get

Problem 5 :

Solution :

By cross multiplication, we get

Problem 6 :

Solution :

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