What does a fraction calculator do?


Quick Answer

A fraction calculator allows a user to specify two fractions' numerators and denominators and perform basic mathematical operations on them. A user can do addition, subtraction, multiplication or division of fractions.

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Full Answer

Some fraction calculators such as those at Calculator.net and AlgebraHelp.com have a user input the numerators and denominators of the two fractions in different text boxes. The user specifies what type of operation to perform on the two fractions, such as adding, subtracting, multiplying or dividing. The fraction calculator derives the result in simplest terms.

Some fraction calculators also show the work involved in calculating the result of the operation between the two fractions. For example, AlgebraHelp.com, when adding fractions together, first calculates the common denominator, converts the two user-defined fractions to have a common denominator, adds the numerators together and converts the result to a mixed number.

The site Calculator.net also provides rules for adding, subtracting, multiplying and dividing fractions, giving abstract definitions for the result of operations on fractions. For example, it states that two fractions a/b + c/d = (ad + bc) / bd. Some fractions calculators such as the one on CalculatorSoup.com support arithmetic on mixed fractions and provide case examples of how to go about doing fraction calculations of mixed numbers.

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