Question

помогите пожалуйста #508 (7,'8)

Answer 1

7) 12/18 - 5/60 = 2/3 - 1/12 = 8/12 - 1/12 = 7/12
8) 4/24 + 3/36 = 1/6 + 1/12 = 2/12 + 1/12 = 3/12 = 1/4