one third multiplied by negative 4

1/3 × - 4 = - 4/3 = - 1.333333333

Regards, 

1 1/3. 4 is the same thing as 4/1 so you can just do 1/3*4/1=4/3=1 1/3

Thanks for that correction, JonesDaBoi...I think DaMaster just made a small "sign" error....