Question

Найдите значения выражения (5/12+1/8)÷3/8; 2 1/4÷1 4/11- 3/8÷7/8 помогите плиз

Answer 1

(5/12+1/8)÷3/8 = (10/24+3/24)÷3/8=13/24÷3/8=13/24*8/3=13/3*1/3=13/9
2 1/4÷1 4/11 - 3/8÷7/8= 9/4÷15/11 - 3/8*8/7=9/4*11/15-3/1*1/7=3/4*11/5-3/7=33/20-3/7=231/140 - 60/140= 171/140=1 31/140