Решите пожалуйста примеры из учебника
6 7/9+5 5/12=
7 3/5 +4 3/4=
8 9/11+4 7/8=
9 2/5-5 4/15=
7 1/8- 5 7/16=
8 3/10-7 7/15=
9 2/5-6 5/11=
6-2 5/6=
7-5/7=
12+2/3

1) 61/9+65/12 = 244/36+195/36 = 439/36 = 12 7/362) 38/5 + 19/4 = 152/20 + 95/20 = 247/20 = 12 7/203) 8 9/11 + 4 7/8 = 97/11 + 39/8 = 13 61/884)9 2/5 - 5 4/15 = 9 6/15 - 5 4/15 = 4 2/155)7 2/16 - 5 7/16 = 1 11/166)8 3/10 - 7 7/15 = 8 9/30 - 7 14/30 = 25/30 = 5/69)9 2/5 - 6 5/11 = 2 52/5510 6 - 2 5/6 = 3 1/6 11)7 - 5/7 = 6 2/712) 12 2/3.