1) (10 - 3) + (4/5 + 5 2/3)= 7 + (4/5 + 17/3)= 7 + ((12/15) + (85/15))= 7 + (97/15)= 7 12/15= 7 4/5
2) (11/5) : (27/20) (9/22)= (11/5) : (27/20) (9/22)= (44/20) : (27/20) (9/22)= (44/20) (20/27) (9/22)= 44/27 9/22= 396/594= 2/3
3) (1 - 1/6)/(2 + 1/6)= (6/6 - 1/6) / (12/6 + 1/6)= (5/6) / (13/6)= (5/6) * (6/13)= 30/78= 5/13
1) (10 - 3) + (4/5 + 5 2/3)
= 7 + (4/5 + 17/3)
= 7 + ((12/15) + (85/15))
= 7 + (97/15)
= 7 12/15
= 7 4/5
2) (11/5) : (27/20) (9/22)
= (11/5) : (27/20) (9/22)
= (44/20) : (27/20) (9/22)
= (44/20) (20/27) (9/22)
= 44/27 9/22
= 396/594
= 2/3
3) (1 - 1/6)/(2 + 1/6)
= (6/6 - 1/6) / (12/6 + 1/6)
= (5/6) / (13/6)
= (5/6) * (6/13)
= 30/78
= 5/13