5,3:2 2/5-1 1/12 0,702:1,3-0415

5.3: 2 =2,652/5 - 1 1/12 = 41/600,702: 1,3 - 0,415 = 0,54 - 0,415 = 0,125

5,3:2 2/5-1 1/12=5 3/10:2:2 2/5-1 1/12=53/10*5/12-1 1/12=53/24-13/12==53/24-26/24=27/24=1 3/24=1 1/80,702:1,3-0,415=0,54-0,415=0,125