Add the fractions and simplify your answer.

4
8
+
1
4
A.
3
4
B.
7
20
C.
2
3
D.
15
8
That's Correct!
It's Wrong!
4
8
+
1
4

Let’s find the least common multiple of 8 and 4.

Least common multiple of 8 and 4 is 8.

So, LCD = 8

Now, rewrite both the fractions with denominator 8.

4
8
×
1
1
=
4
8
1
4
×
2
2
=
2
8

 

Now, add:

4
8
+
2
8
=
4 + 2
8
=
6
8

Simplify,

6
8
=
6 ÷ 2
8 ÷ 2
=
3
4
So, the required sum of the given fractions is
3
4
.

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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