FRACTION
Fraction is a number expressed as a quotient in the form:
where:
a is called numerator
b is called denominator
If:
a < b → proper fraction
a > b → improper fraction
Note: A Fractional expression is a quotient of two algebraic expressions.
COMPLEX FRACTIONS
A complex fraction is one which has one or more fractions in the numerator or denominator.
To simplify a complex fraction:
1. Reduce the numerator and denominator to simple fraction
2. Divide the two resulting fraction.
Example:
[ (x –1) / 5 ] / [ (x + 3) / x ]
= { [ (x – 1) / 5 ] [ x / (x + 3) ] }
= [ x(x – 1)] / [ 5(x + 3) ]
A fraction is in reduced form if its numerator and denominator have no factors aside from ± 1.
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