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

3
10
+
2
10
+
1
10
A.
1
10
B.
4
5
C.
3
10
D.
3
5
That's Correct!
It's Wrong!
3
10
+
2
10
+
1
10

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.

3
10
+
2
10
+
1
10
=
3 + 2 + 1
10
=
6
10

Now, simplify:

6
10
=
6 ÷ 2
10 ÷ 2
=
3
5
So, 
3
10
+
2
10
+
1
10
=
3
5
.

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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