Дроби. Найдите значения выражений :пожалуйста помогите.
1.5/8 + 5/6 + 7/12 = 15/24 + 20/24 + 14/24 = 49/24 = 1 1/24
3.1/4 + 2/9 + 5/36 = 9/36 + 8/36 + 9/36 = 26/36 = 13/18
4.3/4 + 4/5 + 1/20 = 15/20 + 16/20 + 1/20 = 32/20 = 1 12/20 = 1 3/5
5.3/4 + 5/12 + 1/9 = 27/36 + 15/36 + 4/36 = 46/36 = 1 10/36 = 1 5/18
6.4/15 + 2/5 + 7/10 = 8/30 + 12/30 + 21/30 = 41/30 = 1 11/30