Question

resolver: 5/6+1/6 =????? 2/9 -1/8=?????? 3/7+2/7=?????? 7/9 -5/3=??????

Answer 1

el 1. da 6/6
el 2. da 7/81
el 3. da 5/7 
el 4. da -8/9

Answer 2

5/6+1/6=1

2/9-1/8=0.097222222

3/7+2/7=0.714285714

7/9-5/3=0.888888888