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This calculator performs addition and subtraction of algebraic fractions.
The polynomial coefficients may be any real numbers.
The numerator and denominator of rational expressions must be polynomials.
Important: The form will NOT let you enter illegal characters (like *, (, ), y, p, ...)
How to input??
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19 900 126 solved problems
Welcome to MathPortal. This web site owner is mathematician Miloš Petrović.
I designed this web site and wrote all the lessons, formulas and calculators.
If you want to contact me, probably have some question write me using the contact form or email me on