(2-4 8/15×23/17)=????помогите плиз

Question

(2-4 8/15×23/17)=????помогите плиз

Answer 1

(2-4 8/15*23/17)=2-68/15*23/17=2-92/15=60/30-184/30=-124/30=-4 4/30=
=-4 2/15

Answer 2

[ 2 - 4 8\15 x 23\17 ] =
4ц 8\15 x 23\17 =68\15 x 23\17 = 92\15=6ц 2\15
2 - 6ц 2\15 = - 6 ц2\15 + 2 = - 4ц 2\15
ц - целое число