Помогите: 3 1/3*2 2/5*(2-4 8/15*3/17)=

3 1/3×2 2/5×(2-4 8/15×3/17)=5 1/31)4 8/15×3/17=68/15×3/17=4/3×1/1=4/3=1 1/32)2-1 1/3=1 3/3-1 1/3=2/33)3 1/3×2 2/5=10/3×12/5=2×4=84)8×2/3=16/3=5 1/3