Answer:

1• 19/12

2• 105/19

Step-by-step-explaination:

first find the least common denominator

3/4 = 3/4, 6/8, 9/12

5/6 = 5/6, 10/12

So the least common denominator is 12 so we use the terms with the denominator 12

second step is to add them so:

9/12+10/12=19/12