What this calculator does
Simplify a complex fraction whose numerator and denominator each contain a sum or difference of two fractions.
How it works
The calculator evaluates [(a/b) ± (c/d)] ÷ [(e/f) ± (g/h)]. Inputs are checked before calculation, and invalid values such as zero denominators or out-of-range selections produce a clear error instead of a misleading result.
Input query strings and outputs
Use an input name in this page’s URL as ?name=value, and join additional inputs with &. Portable shared links may instead use the compact ?ac= state parameter.
Input query strings
10-
?a=aNumber · Required · Default: 1
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?b=bNumber · Required · Default: 2
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?topOperation=Top operationChoice · Required · Default: add · Accepted values: add, subtract
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?c=cNumber · Required · Default: 1
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?d=dNumber · Required · Default: 3
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?e=eNumber · Required · Default: 3
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?f=fNumber · Required · Default: 4
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?bottomOperation=Bottom operationChoice · Required · Default: subtract · Accepted values: add, subtract
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?g=gNumber · Required · Default: 1
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?h=hNumber · Required · Default: 4
Outputs
5-
simplifiedSimplified resultText · Primary output
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mixedNumberMixed numberText
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decimalDecimal valueNumber
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topSimplifiedSimplified numerator expressionText
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bottomSimplifiedSimplified denominator expressionText
Inputs and results
The inputs are a, b, Top operation, c, d, e, f, Bottom operation, g, h. Results include Simplified result, Mixed number, Decimal value, Simplified numerator expression, Simplified denominator expression.