Помогите пожалуйста! в) 5/6-(3/10+2/5) г) (3/4+1/8)-5/8

Question

Помогите пожалуйста!

в) 5/6-(3/10+2/5)
г) (3/4+1/8)-5/8

Comments

в) 5/6 - (3/10+2/5) = 5/6 - (3/10+4/10) = 5/6 - 7/10 = 25/30 - 21/30 = 4/30 = 2/15,г) (3/4+1/8) - 5/8 = (6/8+1/8) - 5/8 = 7/8 - 5/8 = 2/8 = 1/4

Answer 1

В 1)3/10+2/5=7/10 2)5/6-7/10=2/15 Г 1)3/4+1/8=7/8 2)7/8-5/8=2/8

Answer 2

В)5/6-(3/10+2/5)=5/6-3/10-2/5=25/30-9/30-12/30=4/30=2/15.
г)(3/4+1/8)-5/8=3/4+1/8-5/8=6/8+1/8-5/8=2/8=1/4.