In mathematics, any number that can be expressed as an exact fraction (with a denominator not equal to 0), that is, as a ÷ b where a and b are integers; or an exact decimal. For example, 2/1, 1/4, 15/4, −3/5 are all rational numbers, whereas π (which represents the constant 3.141592 ... ) is not. Numbers such as π are called irrational numbers.
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A rational number, in mathematics, is one which can be represented by a fraction, the ratio of two integers (the one which does the...
Description: In a rational number, the numerator can be any integer and the denominator can be any integer except zero. A rational expression is like
Description: In order to add or subtract rational expressions with different denominators, the least common denominator must be found and the fractio