1)24 4/9÷8=220/9*1/8=55/18
2)15÷7 1/5=15*5/36=25/12
3)55/18-25/12=110/36-75/36=35/35
4)35/36*7=245/36=6 29/36
5)6 29/36-1 1/4=6 26/36-1 9/36=6 20/36=5 5/9
6) 1 8/63+35/54+1 25/42=1 48/378+245/378+1 225/378=3 140/378=3 10/27=91/27
7)91/27*9/8=91/24
8)5 5/9÷91/24=50/9*24/91=400/91=4 36/91