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Fractions and roots\over

\overCommand

Plain-TeX infix fraction form placed between a numerator on the left and a denominator on the right.

a \over b
Available in
base
Kind
infix
Allowed mode
math
Frequency
1.18% of corpus formulasrank 45 of 263
Commonality
medium
Tags
discouraged
Renderer support
MathJaxKaTeXXeTeX
base
About the test scope

Syntax#

\over

Takes no arguments. Reading argspecs

Common tasks#

How to write a TeX-style fraction#

Infix \over is primitive TeX; prefer \frac{a}{b} in LaTeX.

{a \over b}

How to write a derivative with \over#

{dy \over dx}

How to nest an \over fraction#

{{a \over b} \over {c \over d}}

In TeXForm#

TeXForm parses this entry as infix syntax; the package determines its argument specification.

base/over-to-fracfrom Authoringrender

Rewrite infix over to an explicit frac command.

#1 \over #2 \frac{#1}{#2}

Equivalent forms#

  • \frac{$1}{$2}exact

    Equivalent for the intended generalized-fraction interpretation of the left and right operands.

  • \genfrac{}{}{}{}{$1}{$2}exact

See also#

Test cases#

base
InputCaseMathJaxKaTeXXeTeX
a \over bPositive · baselinePassPassPass
In Fractions and roots21
All 21 in Fractions and roots