Question

выполните действия: (5/7-2/3):(4/9-5/12)
решите плиииз

Answer 1

1) 5/7 - 2/3 =(15-14)/21=1/21

2)4/9 - 5/12 = 16-15/36=1/36

3) 1/21: 1/36= 1/21 *36/1 = 36/21=12/7=1 5/7

Answer 2

(5/7-2/3)÷(4/9-5/12)=1/21*36/1=12/7=1 5/7