Question

выполняйте действия (5/7-2/3)÷(4/9-5/12)

Answer 1

(5/7-2/3)÷(4/9-5/12)=1 5/7

1)5/7-2/3=15/21-14/21=1/21
2)4/9-5/12=16/36-15/36=1/36
3)1/21:1/36=1/21*36=36/21=1 15/21=1 5/7

Answer 2

( 5/7 - 2/3):(4/9 - 5/12)=1 5/7


1) 5/7-2/3=15/21 - 14/21=1/21
2) 4/9-5/12=16/36 - 15/36=1/36
3) 1/21 : 1/36=1/21 * 36/1=36/21=12/7=1 5/7