2/ 1/4+(1 1/2+2 2/3)/(3 3/4-2/3)= решите пожалуйста

Question

2/ 1/4+(1 1/2+2 2/3)/(3 3/4-2/3)= решите пожалуйста

Answer 1

2/ 1/4+(1 1/2+2 2/3)/(3 3/4-2/3)= 

1 1/2 +2 2/3 = 3  7/6

3 3/4 - 2/3 = 15/4 - 2/3 = 37/12 = 3 1/3

3 7/6 : 3 1/3  =  25/6 : 10/3  =  25/6 * 3/10 = 25/2 * 1/10 = 25/20=5/4

2 : 1/4  = 2/1 : 1/4 =1/4: 2/1= 1/2

1/2 + 5/4=  2/4 + 5/4 = 7/4 

Answer 2

2:1/4+(1 1/2+2 2/3):(3 3/4-2/3)=1/2+25/6:37/12=1/2+4 1/6=28/6=4 2/3