(-2/3+(-2/15))+(-1,85+(-1.35))= ? Помогите

Question

(-2/3+(-2/15))+(-1,85+(-1.35))= ?
Помогите

Answer 1

(-2/3+(-2/15))+(-1,85+(-1.35))= -10/15-2/15-3,2=-4/5-16/5=-20/5=-4

Answer 2

(-2/3+(-2/15))+(-1,85+(-1,35))=(-10/15-2/15)+(-3,2)=-12/15-3 2/10=-12/15-3 2/10=-24/30-3 6/30=-3 30/30=-4

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