-3 1/3*(-1 2/7)*(-3)*(-7)=

Question

-3 1/3*(-1 2/7)*(-3)*(-7)=

Answer 1

1)-10/3*(-9/7)=30/7
2)30/7*(-3/1)=-90/7
3)-90/7*(-7/1)=90

Answer 2

-3 1/3*(-1 2/7)*(-3)*(-7)=-10/3*(-9/7)*21=30/7*21=90