12 2/13-(8 12/13+1 5/13)

Question

12 2/13-(8 12/13+1 5/13)

Answer 1

12 2/13-(8 12/13+15/13)=12 2/13-10 4/13=1 11/13

Answer 2

12 2/13-(8 12/13+1 5/13)=1  11/13

8 12/13+ 1 5/13=9 17/13=10 4/13

12 2/13-10 4/13=158/13-134/13(неправильная дробь)=24/13=1  11/13