What is the sum of the given fractions? Reduce the sum to its simplest form (if possible).

2
13
+
3
13
+
7
13
A.
11
13
B.
12
13
C.
9
13
D.
15
13
That's Correct!
It's Wrong!
2
13
+
3
13
+
7
13

Look at the fractions to be added. The denominator is same for all of them.

So, add the numerators, and put the obtained result over the common denominator.

2
13
+
3
13
+
7
13
=
2 + 3 + 7
13
=
12
13
So, 
2
13
+
3
13
+
7
13
=
12
13
.

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Key Data

Questions
15
Grade
4
Theme
Fractions
Passing score
80%

Progress

8 Incorrect
10 Correct
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Restart