Помогите решить:
1/12 + 5/6=
1 целая - 4/7=
11/16- 2/8=
1 целая 5/6 - 1/3=
7 целых 1/2 + 1/4=
4 целых 1/6 - 1 целую 1/5=

1/12 + 5/6 = ?1/12 + 10/12 = 11/121 - 4/7 = ?1 = 7/7 7/7 - 4/7 = 3/7 11/16 - 2/8 = ? 11/16 - 4/16 = 7/16 1 5/6 - 1/3 = ?1 5/6 = 11/611/6 - 1/3 = ?11/6 - 2/6 = 9/6 9/6 = 1 3/67 1/2 + 1/4 = ?7 1/2 = 15/215/2 + 1/4 = ?30/4 + 1/4= 31/4 31/4 = 7 3/44 1/6 - 1 1/5 = ?4 1/6 = 25/61 1/5 = 6/5 25/6 - 6/ 5 = 125/30 - 36/30 125/30 - 36/30 = 89/30