Feat: simplified version for Fraction and MOFraction

mapytex/calculus/API/tokens/number.py

@@ -269,7 +269,31 @@ class Fraction(Token):
         >>> f.decimal
         <Decimal 0.3333333333333333333333333333>
         """
-        return Decimal(_Decimal(self._mo.numerator._value) / _Decimal(self._mo.denominator._value))
+        return Decimal(self._mo._value)
+
+    def simplified(self):
+        """ Get the irreductible version of self
+
+        :example:
+        >>> f = Fraction("3/4")
+        >>> f.simplified()
+        <Fraction 3 / 4>
+        >>> f = Fraction("12/9")
+        >>> f.simplified()
+        <Fraction 4 / 3>
+        >>> f = Fraction("12/4")
+        >>> f.simplified()
+        <Integer 3>
+
+        """
+        simplified = self._mo.simplified()
+
+        if isinstance(simplified, MOnumber):
+            return Integer(simplified)
+
+        return Fraction(simplified)
+
+
 
 
 # -----------------------------

mapytex/calculus/core/MO/fraction.py

@@ -9,6 +9,8 @@
 from mapytex.calculus.core.tree import Tree
 from .mo import Molecule, MO
 from .atoms import MOnumber
+from decimal import Decimal
+from ..arithmetic import gcd
 
 __all__ = ["MOFraction"]
 
@@ -70,6 +72,10 @@ class MOFraction(Molecule):
     def denominator(self):
         return self._denominator
 
+    @property
+    def _value(self):
+        return Decimal(self._numerator._value) / Decimal(self._denominator._value)
+
     def inverse(self):
         """ return the inverse fraction """
         return MOFraction(self._denominator, self._numerator, self.negative)
@@ -90,6 +96,37 @@ class MOFraction(Molecule):
         else:
             raise NotImplementedError
 
+    def simplified(self):
+        """ Simplified version of self 
+
+        :examplex
+        >>> f = MOFraction(2, 3)
+        >>> f
+        <MOFraction 2 / 3>
+        >>> f.simplified()
+        <MOFraction 2 / 3>
+        >>> f = MOFraction(2, 6)
+        >>> f
+        <MOFraction 2 / 6>
+        >>> f.simplified()
+        <MOFraction 1 / 3>
+        >>> f = MOFraction(32, 24)
+        >>> f.simplified()
+        <MOFraction 4 / 3>
+        >>> f = MOFraction(32, 8)
+        >>> f.simplified()
+        <MOnumber 4>
+        """
+        frac_gcd = gcd(self.numerator._value, self.denominator._value) 
+        new_num = self.numerator._value / frac_gcd
+        new_denom = self.denominator._value / frac_gcd
+
+        if new_denom == 1:
+            return MOnumber(new_num)
+
+        return MOFraction(new_num, new_denom)
+
+
 
 # -----------------------------
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