Question

(4/1-3/2)×(5/4-15/2)×(-5/3)=

Answer 1

(4/1*2-3/2)×(5/4-15/2*2)×(-5/3)=
= (8/2-3/2)×(5/4-30/4)*(-5/3)=
=5/2×(-25/4)×(-5/3)=625/24

Answer 2

1)4/1-3/2=0,5
2)5/4-15/2=-6,25
3)0,5*6,25*(-5/3)=-625/120