Question

8-4,2:(2 5/14-1 4/21)

Answer 1

8-4,2:(2 5/14-1 4/21)=4.4

1)2 514-1 421=2 1542-1 842=1 742=1 16
2)4.2:1 16=4210*67=185=3 35=3.6
3)8-3.6=4.4