(1 11/24+ 13/36) *1.44- 8/15 *0.5625
1)1 11/24+13/36=1 33/72+26/72=1 59/72 2)1 59/72*1 44/100=131/72*144/100=262/100=2,62 3)8/15*5625/10000=8*375/10000=3000/10000=0,3 4)2,62-0,3=2,32