Add Three or More Fractions with Like Denominators

To add like fractions, add the numerators, and put the result over the common denominator.

For example:

1
12
+
2
12
+
5
12
=
+ 2 + 5
12
=
8
12


Now, simplify:
 

8
12
=
8 ÷ 4
12 ÷ 4
=
2
3

 

So, 
1
12
+
2
12
+
5
12
=
2
3
.