Question

Realice el ejercicio
7/2+6/1 =
9/6-9/4 =
2/5+1/5+3/5 =
2/9+4/9-1/9 =

Answer 1

7/2+6/1=19/2
9/6-9/4=-18/24
2/5+1/5+3/5=6/5
2/9+4/9-1/9=5/9