Simplify Fraction

Problem

Reduce the fraction num/den and return it as [numerator, denominator] with a positive denominator.

Divide both parts by their greatest common divisor and move any minus sign to the numerator. Zero is returned as [0, 1].

Hint

Normalise the sign after dividing by the GCD so the denominator is always positive.

case 1

in: [8,12]

expected: [2,3]

case 2

in: [4,-6]

expected: [-2,3]

case 3

in: [-3,-9]

expected: [1,3]

case 4

in: [0,5]

expected: [0,1]

case 5

in: [7,1]

expected: [7,1]

Starter codePython

def simplify_fraction(num, den):
    # Your code here
    pass

5 test cases · run your code against them in the editor