Adding and subtracting fractions III

This task is about addition, subtraction with fractions and mixed numbers.
Questions/instructions
 
What is the answer to the following fraction equations?
Write your answers after each equation.
 
1.
 
12 + 12 + 12 =
 
 
2.
 
23 + 23 =
 
 
3.
 
12 + 14=
 
 
4.
 
1 – 12 =
 
 
5.
 
14 + 23 =
 
 
6.
 
1214 =
 
 
7.
 
4 – 13 =
 
 
8.
 
212 – 34 =