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A denominator is the bottom number in a fraction. It is also the same thing as the divisor in a division problem. For example: in the fraction 1/2, 2 is the denominator; the mathematical expression of the fraction 1/2 is the same as the mathematical expression of 1 divided by 2. It can also be expressed in ratio form (i.e. 1:2).
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How do you know which unit of conversion factor must be the denominator?
The unit that is used in the denominator is the one to cancels the unit that appears in a numerator.
How do you simplify the fraction?
first multiply the denominator to the mixed number. then,when you got the product, add the product to the numerator. then,when you got the sum, copy the sum as numerator and the denominator was the last denominator you used.
A method used to eliminate radicals from the denominator of a fraction?
That is called "rationalizing the denominator". It consists of multiplying the numerator and the denominator by specific terms, which include square roots. Examples:* If the denominator is root(2) (that is, the square root of 2), multiply numerator and denominator by root(2). * If the denominator is root(2) + root(3), multiply numerator and denominator by root(2) - root(3).
Is Least Common Denominator used for subtracting fractions?
Yes.
What 2 operations are used with lowest common denominator?
The least common denominator or (LCD) of two or more fractions is the least common multiple of the denominators.
