-7 целых 2/15+4 целых 1/6- 1,2

Question

-7 целых 2/15+4 целых 1/6- 1,2

Answer 1

-7 2/15+4 1/6-1 2/10=-7 4/30+4 5/30-1 6/30=-8 10/30+4 5/30=
=-4 5/30=-4 1/6