2323/4747 = 23/47 (am simplificat prin 101)
2424/5656 = 303/707 = 3/7 (am simplificat mai intai prin 8 si apoi prin 101)
313131/454545 = 31/45
Dar 313131 = 3x7x13x31x37
454545 = 3^3x5x7x13x37,deci se pot simplifica prin 3x7x13x37=10101
262626/393939 = 2/3
Dar 262626 = 2x3x7x13^2x37
393939 = 3^2x7x13^2x37, deci se pot simplifica prin 3x7x13^2x37 = 131313