Question

Решите, пожалуйста:
1. 6 3/4 + 1 5/6.
2. -7 3/11 * 2.

Answer 1

1). 6 3/4+1 5/6=(6+1)+(3/4+5/6)=7+9/12+10/12=7+19/12=7+1+7/12=8 7/12. 2). -7 3/11*2= -80/11*2= -160/11= -14 6/11.

Answer 2

1. 6 3/4 + 1 5/6=6 9/12+1 10/12=7 19/12=8 7/12

2. -7 3/11 * 2=-14 6/11