1) (52)/15 = 10/15 = 2/32) (67)/(78) = 42/56 = 3/43) (49)/(272) = 36/54 = 2/34) (1018)/(36*25) = 180/900 = 1/5
1) (52)/15 = 10/15 = 2/3
2) (67)/(78) = 42/56 = 3/4
3) (49)/(272) = 36/54 = 2/3
4) (1018)/(36*25) = 180/900 = 1/5