#def pf(n,d): #Prime factorisation n=input() d=input() a = n b = d primes = [2, 3, 5, 7, 9, 11, 13, 17, 19, 23, 29, 31, 37] factora = [] factorb = [] count = 0 divideby = 1 while count < len(primes) : divide = primes[count] while int (a/divide) == (a/divide) : a = (a/divide) factora.append(divide) count = (count+1) print(factora) count = 0 while count < len(primes) : divide = primes[count] while int (b/divide) == (b/divide) : b = (b/divide) factorb.append(divide) count = (count+1) print(factorb) hcf = [val for val in factora if val in factorb] print(hcf) count = 0 while count < len(hcf) : divideby = (divideby * hcf[count]) count = (count+1) print("Fraction entered was ", int(n), "/", int(d)) print("Fraction cancels to ",int(n/divideby),"/",int(d/divideby))
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