Algebraic fractions
Algebraic fraction. Canceling fractions.
Addition and subtraction of fractions.
Multiplication and division of fractions.
Algebraic fraction is an expression of a shape A / B, where A and B can be a number, a monomial, a
polynomial. As in arithmetic, A is called a numerator, B – a denominator. Arithmetical fraction is a particular case of an
algebraic one.
Canceling fractions
E x a m p l e :
Addition and subtraction
of fractions
To add or to subtract two or some fractions it is necessary to make the same operations as in arithmetic.
E x a m p l e :
Multiplication and division of fractions
Multiplication and division of algebraic fractions doesn’t differ from the same operations in arithmetic. Canceling a fraction can be done both before and
after multiplication of numerators and denominators.
E x a m p l e :
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