Question

а) 4+5,1/4 б)4,3/4-2 в)1,2/9+3 г)4,1/3-1,1/9

Answer 1

а)
4 + 5 1/4 = 9 1/4,

б)
4 3/4 - 2 = 2 3/4,

в) 
1 2/9 + 3 = 4 2/9,

г)
4 1/3 - 1 1/9 = 4 3/9 - 1 1/9 = 3 2/9