`-35/12`×`13/7`+`35/12`×`4/7`+`35/12`
`-35/12`×`13/7`+`35/12`×`4/7`+`35/12` x 1
= `-35/12` x `13/7` + `35/12` x ( `4/7` + 1)
= `-35/12` x `13/7` + `35/12` x `11/7`
= (`-35/12 + `35/12`) x ( `13/7` x `11/7`)
= `0/12` x ( `13/7` x `11/7`)
= 0 x ( `13/7` x `11/7`)
= 0