cancelledFractions = []

for i in range(10,100):
    iStr = str(i)
    for j in range(10,100):
        jStr = str(j)
        for k in range(1,10):
            if str(k) in iStr and str(k) in jStr:
                iStrK = iStr.replace(str(k),"",1)
                jStrK = jStr.replace(str(k),"",1)
                if len(iStrK) < 1:
                    iStrK = str(k)
                if len(jStrK) < 1:
                    jStrK = str(k)
                cancelledI = int(iStrK)
                cancelledJ = int(jStrK)
                print(cancelledI,cancelledJ)
                if cancelledJ > 0 and cancelledI / cancelledJ == i/j and i/j < 1:
                    print(cancelledJ, " >0")
                    print(cancelledI, "/", cancelledJ, "==", i, "/", j)
                    print(i, "/", j, "<1")
                    cancelledFractions.append([[i,j],[cancelledI, cancelledJ]])

print(cancelledFractions)