Ruby program to get the numerator from a rational number
# Ruby program to get the numerator
# from a rational number
num1 = Rational(21, 7);
num2 = Rational(-7, 20);
num3 = Rational(21);
print "Num1 numerator: " ,num1.numerator();
print "\nNum2 numerator: ",num2.numerator();
print "\nNum3 numerator: ",num3.numerator();
Num1 numerator: 3
Num2 numerator: -7
Num3 numerator: 21
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