Feat: simplified version for Fraction and MOFraction

mapytex/calculus/core/MO/fraction.py

@@ -10,6 +10,7 @@ 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"]
 
@@ -95,6 +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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