Пж помогите: b + 5 9/10 = 7 5/12

Question

Пж помогите: b + 5 9/10 = 7 5/12

Answer 1

B=0,35
..................... .......

Answer 2

B+5 9/10=7 5/12
b=7 5/12-5 9/10
b=1 31/60