а)7/27 10 + 8 7/27= 70/2770/2770/27 + 56/2756/2756/27 = 70+5670 + 5670+56/27= 126/27= 14/3
б)11/36 17 - 5 11/36= 187/36187/36187/36 - 55/3655/3655/36 = 187−55187 - 55187−55/36= 132/36= 11/3
а)
7/27 10 + 8 7/27
= 70/2770/2770/27 + 56/2756/2756/27 = 70+5670 + 5670+56/27
= 126/27
= 14/3
б)
11/36 17 - 5 11/36
= 187/36187/36187/36 - 55/3655/3655/36 = 187−55187 - 55187−55/36
= 132/36
= 11/3