Fraction Calculator
The fields above the line are numerator. Below the line is denominator. Fill the fields to the left of the "=" and click the "calculate" button to calculate. The operations of "add", "subtract", "multiply" and "divide" are supported.
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Reference
In mathematics, a fraction is a number that represents part of a whole. It is consisted of a numerator and a denominator. The numerator represents the number of equal parts and the denominator represents the total amount of parts that make up a whole. For example 2/5, the numerator is 2 and the denominator is 5. Like all other numbers, fractions number can be added, subtracted, multiplied, and divided.
Addition

a/b + c/d = ad/bd + bc/bd = (ad + bc)/bd
example: 3/4 + 1/6 = 18/24 + 4/24 = 22/24 = 11/12
Subtraction

a/b  c/d = ad/bd  bc/bd = (ad  bc)/bd
example: 3/4  1/6 = 18/24  4/24 = 14/24 = 7/12
Multiplication

a/b · c/d = ac/bd
example: 3/4 · 1/6 = 3/24 = 1/8
Division

(a/b)/(c/d) = ad/bc
example: (3/4)/(1/6) = 18/4 = 9/2