**fractions calculator** helps you solve the addition, subtraction, multiplication or division of fractions. Below the tool you can find the formulas used.

## Fraction operations formulas

The algorithm of this *fractions calculator* is based on the following formulas:

- Fraction addition = (AD + BC) / BD. Please note that in case of addition and subtraction between two or more fractions you first have to ensure all of your fractions have the same numerator.
- Fraction subtraction = (AD - BC) / BD
- Fraction multiplication = AC / BD
- Fraction division = AD / BC

## Examples of 4 calculations

1. Add 2/3 and 5/9 = 11/9.

2. Subtract 3/4 from 1/11 = -29/44

3. Multiply 2/7 with 6/13 = 12/91

4. Divide 3/8 by 1/5 = 15/8

16 Apr, 2015 | 0 comments
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