Add the fractions and simplify your answer.

1
3
+
1
4
A.
3
12
B.
1
10
C.
7
12
D.
5
12
That's Correct!
It's Wrong!
1
3
+
1
4

Let’s find the least common multiple of 3 and 4.

Least common multiple of 3 and 4 is 12.

So, LCD = 12

Now, rewrite both the fractions with denominator 12.

1
4
×
3
3
=
3
12
1
3
×
4
4
=
4
12

Now, add:

4
12
+
3
12
=
4 + 3
12
=
7
12
So, the required sum of the given fractions is
7
12
.

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Key Data

Questions
10
Grade
5
Theme
Fractions
Passing score
80%

Progress

8 Incorrect
10 Correct
1
2
3
4
5
6
7
8
9
10
Restart