Question

8 3/8 - 9/30 помогите решить

Answer 1

(3*8+3)/8-3/10=(27*5-3*4)/(2*4*5)=123/40=3 целых 3/40=3,075

Answer 2

8 3/8-9/30=67/8-9/30=67/8-3/10=(67*10-8*3)/80=646/80=8.075