Usage

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One, two, or three arguments can be passed: A mixed number is notated with three (integer part and fraction), a normal fraction with two, and a reciprocal with just one.

Examples

You type You get
{{sfrac|A|B|C}} ⁠A+B/C⁠ (integer, numerator, and denominator)
{{sfrac|B|C}} ⁠B/C⁠ (numerator and denominator)
{{sfrac|C}} ⁠1/C⁠ (just denominator)