Решите 5/9+2/3 , 1/12+3/4 , 1/2+3/4 , 17/1000+81/100

Question

Решите
5/9+2/3 , 1/12+3/4 , 1/2+3/4 , 17/1000+81/100

Answer 1

1) 5/9+2/3=5/9+6/9=11/9
2)1/12+3/4=1/12+9/12=10/12=5/6
3)1/2+3/4=2/4+3/4=5/4
4) 17/1000+81/100=827/1000=0,827