(4 7/9-2 5/6):1 5/9+4/9*6 3/16+1/8

1)4 7/9-2 5/6=43/9-17/6=86/18-51/18=35/18

2)35/18:1 5/9=35/18:14/9=35/28

3)4/9*6 3/16=4/9*99/16=11/4

4)35/28+11/4+1/8=70/56+154/56+7/56=231/56=33/8=4 1/8=4.125

(4 7/9 - 2 5/6): 1 5/9 +4/9*6 3/16 +1/8=

1)4 7/9 - 2 5/6= 43/9 - 17/6 = 35/18

2)35/18 : 1 5/9= 35/18 : 14/9= 35/18*9/14=5/4

3)4/9 * 6 3/16 = 4/9* 99/16 = 11/4

4) 5/4+11/4 = 16/4

5) 16/4 +1/8= 33/8 =4,125