frac

frac R -- construct the fraction field of the ring R.

If R has no name yet, then the names for its symbols will be usurped as names for the corresponding elements of R.

i1 : F = frac (ZZ/101[x,y])

o1 = F

o1 : FractionField
i2 : 1/x + 1/y + 1/2

     - 50x*y + x + y
o2 = ---------------
           x*y

o2 : F

See also FractionField.


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